# Alliedsign LF507-1F - Type: Engine model (FAA registry) - Registry code: 02503 - Manufacturer (registry): ALLIEDSIGN - Model: LF507-1F - Engine type: Turbo-jet - Power: 4,600 hp - Data sheet: [TCDS E6NE](https://openairdocs.org/tcds/E6NE) (OpenAirDocs) - Holder: CFS Aeroproducts Inc. - Installed in: 13 registered aircraft - Page: https://openairdocs.org/engine/alliedsign-lf507-1f Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2020-18-09](https://openairdocs.org/ad/2020-18-09): Engine (Turbine/Turboprop); Engine Fuel and Control; Engine Emergency Shutdown System · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Oct 21, 2020 - [AD 2012-11-07](https://openairdocs.org/ad/2012-11-07): LP turbine blades · Honeywell International ALF502L-2C, ALF502R-3, ALF502R-3A and 3 more. Effective Jul 5, 2012 - [AD 2011-24-11](https://openairdocs.org/ad/2011-24-11): Disc Fracture · Honeywell International ALF502L-2C, ALF502R-3, ALF502R-3A and 3 more. Effective Dec 14, 2011 - [AD 2009-26-06](https://openairdocs.org/ad/2009-26-06): Fuel manifold assemblie · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Feb 11, 2010 - [AD 2002-22-12](https://openairdocs.org/ad/2002-22-12): Titeflex hoses · BAE Systems ATP, Avro 146-RJ100A, Avro 146-RJ70A and 122 more. Effective Dec 13, 2002 - [AD 2002-22-06](https://openairdocs.org/ad/2002-22-06): Combustion chamber liner assembly · Honeywell International ALF502R-3, ALF502R-3A, ALF502R-4 and 4 more. Effective Nov 18, 2002 - [AD 2002-12-08](https://openairdocs.org/ad/2002-12-08): Gas Producer Turbine (GPT) Components · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Jul 17, 2002 - [AD 2000-11-15](https://openairdocs.org/ad/2000-11-15): Critical Life-Limited Parts · Honeywell International ALF502R-3, ALF502R-3A, ALF502R-4 and 4 more. Effective Jul 10, 2000 - [AD 2000-05-14](https://openairdocs.org/ad/2000-05-14): Bearing Inlet Assembly · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Apr 27, 2000 Historical (superseded or no longer in force): - [AD 97-05-11 R1](https://openairdocs.org/ad/97-05-11-R1) (historical): ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Aug 18, 1997 - [AD 97-11-05](https://openairdocs.org/ad/97-11-05) (historical): Fuel Manifold Assemblies · Honeywell International ALF502L, ALF502L-2, ALF502L-2A and 9 more. Effective Jul 28, 1997 ## Registered aircraft (13) - [N248AC](https://openairdocs.org/aircraft/N248AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2364 - [N277AC](https://openairdocs.org/aircraft/N277AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2334 - [N285AC](https://openairdocs.org/aircraft/N285AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2307 - [N325AC](https://openairdocs.org/aircraft/N325AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2000, S/N E2371 - [N355AC](https://openairdocs.org/aircraft/N355AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1996, S/N E2293 - [N374AC](https://openairdocs.org/aircraft/N374AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1995, S/N E2266 - [N377AC](https://openairdocs.org/aircraft/N377AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2346 - [N399AC](https://openairdocs.org/aircraft/N399AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2337 - [N403AC](https://openairdocs.org/aircraft/N403AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2372 - [N416AC](https://openairdocs.org/aircraft/N416AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1999, S/N E2345 - [N430AC](https://openairdocs.org/aircraft/N430AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N E2366 - [N635AC](https://openairdocs.org/aircraft/N635AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1998, S/N E2330 - [N839AC](https://openairdocs.org/aircraft/N839AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1995, S/N E2270 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports (17) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20060628013749I](https://openairdocs.org/incident/20060628013749I), Jun 28, 2006: Bac AVRO146RJ85A (N534XJ), Rochester, NY. (-23) On June 28, 2006, an avro 146-RJ85A, mesaba airlines flight 3516 during takeoff roll at dtw had a bird strike on #3 engine. Contract maintenance… - [Incident 20060420009199I](https://openairdocs.org/incident/20060420009199I), Apr 20, 2006: Bac AVRO146RJ85A (N524XJ), Minneapolis, MN, Minor damage. (-23) On 4/21/2006 at 0030Z mesaba flt 3438 reported struck brake while taxiing to runway 17 at Minneapolis st Paul MN. The aircraft became immobile on taxiway. - [Incident 20060322003709I](https://openairdocs.org/incident/20060322003709I), Mar 22, 2006: Bac AVRO146RJ85A (N519XJ), Omaha, NE. (-23) N519XJ, avro-146-RJ85A, was being operated by mesaba airlines, as northwest flight 3635, between Omaha, NE. And minneapolis, MN. During take off from… - [Incident 20050916025459I](https://openairdocs.org/incident/20050916025459I), Sep 16, 2005: Bac AVRO146RJ85A (N513XJ), Omaha, NE. (-23) N513XJ operating as mesaba airlines flight 3605, departed minneapolis, MN enroute to Oklahoma city, OK. The number four engine developed a vibration at… - [Incident 20050619013409I](https://openairdocs.org/incident/20050619013409I), Jun 19, 2005: Bac AVRO146RJ85A (N519XJ), Minneapolis, MN. (-23) Crew returned to msp following engine number #3 overspeed condition. Emergency was declared and engine was shut down. Aircraft landed without incident. - [Incident 20050405014299I](https://openairdocs.org/incident/20050405014299I), Apr 5, 2005: Bac AVRO146RJ85A (N515XJ), Moline, IL. (-23) As reported by Moline ATCT, on April 5, 2005, mesaba flight #3637 reported a number one engine fire warning illuminated after departure at approximately… - [Incident 20040901020429I](https://openairdocs.org/incident/20040901020429I), Sep 1, 2004: Bac AVRO146RJ85A (N529XJ), Minneapolis, MN. (-23) Mesaba 3662 was taxiing to rnwy 12L via papa taxiway. At the intersection of papa and mike taxiways, the pilot reported an interior fire and informed the… - [Incident 20030223010089I](https://openairdocs.org/incident/20030223010089I), Feb 23, 2003: Bac AVRO146RJ85A (N522XJ), Romulus, MI. (-23) Crew waited for aircraft to be taxied to gate from hangar, assuming that it had been inside and deiced. On the crew walk-around there was no snow or ice… - [Incident 20020424021719I](https://openairdocs.org/incident/20020424021719I), Apr 24, 2002: Bac AVRO146RJ85A (N519XJ), Dayton, OH, Minor damage. (-23) While under the guidance of a ground marshaler and two wing walkers the aircraft struck a light pole with the right wingtip causing minor damage to the… - [Incident 20020309011739I](https://openairdocs.org/incident/20020309011739I), Mar 9, 2002: Bac AVRO146RJ85A (N526XJ), Minneapolis, MN, Minor damage. (-23) While aircraft was being pushed back for departure, the left wing tip contacted a parked catering truck. The operator was utilizing wing walkers at the… - [Incident 20001218030909I](https://openairdocs.org/incident/20001218030909I), Dec 18, 2000: Bac AVRO146RJ85A (N525XJ), Minneapolis, MN. (-23)10 Minutes out after takeoff the aft cabin flight attendent observed an aft lavatory oral and smoke warning light on. The flight attendent reported the… - [Incident 20001129036519I](https://openairdocs.org/incident/20001129036519I), Nov 29, 2000: Bac AVRO146RJ85A (N505XJ), St Louis, MO, Minor damage. (-23) On Wednesday, November 29, 2000, at 6:34 pm, northwest airlink-mesaba airlines avro regional jet, N505XJ, flight 3548 stl-mem, was pushed back from gate… - [Incident 20001121038159I](https://openairdocs.org/incident/20001121038159I), Nov 21, 2000: Bac AVRO146RJ85A (N524XJ), Rochester, NY. (-23) On Tuesday, November 21, 2000, after departing roc bound for dtw, a mesaba aircraft, N524XJ, operating as nwaa flight 3625, climbed through 7000' when… - [Incident 20001119028279I](https://openairdocs.org/incident/20001119028279I), Nov 19, 2000: Bac AVRO146RJ85A (N513XJ), Minneapolis, MN, Minor damage. (-23) Mesaba flight 3596, under the command of captain[privacy data omitted]taxied into a congested and snow-covered gate area at Minneapolis, MN. During… - [Incident 20001029024639I](https://openairdocs.org/incident/20001029024639I), Oct 29, 2000: Bac AVRO146RJ85A (N531XJ), Minneapolis, MN, Minor damage. (-23) Mesaba catering truck backed into LH aileron causing damage to the LH aileron and wing structure, after servicing another airplane. Driver of truck… - [Incident 19991122035599I](https://openairdocs.org/incident/19991122035599I), Nov 22, 1999: Bac AVRO146RJ85A (N528XJ), Fayetteville, AR. (-23) On November 22, 1999, N528XJ a british aerospace avro 146-RJ85A, operated by mesba as Northwest airlink flight 3537 between mem and xna, shut down #3… - [Incident 19990619022209I](https://openairdocs.org/incident/19990619022209I), Jun 19, 1999: Bac AVRO146RJ85A (N512XJ), Knoxville, TN, Minor damage. During the start the brakes were improperly set. Checklist not complied with, and the chocks were removed after the second engine was started,(without… ## Service difficulty reports (137, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2022FA0000242](https://openairdocs.org/sdr/2022FA0000242), Apr 29, 2022: NONE. NONE. "OPEN" - DURING MAINTENANCE CHECK FLIGHT, THE #1 ENGINE EXPERIENCED A HIGH VIBRATION AND SHUTDOWN WITH SUDDEN STOPPAGE .AIRCRAFT RETURNED TO BASE. - [SDR 2022FA0000243](https://openairdocs.org/sdr/2022FA0000243), Apr 29, 2022: NONE. FAULTED. "OPEN"- DURING MAINTENANCE CHECK FLIGHT, THE #1 ENGINE EXPERIENCED A HIGH VIBRATION AND SHUTDOWN WITH SUDDEN STOPPAGE. AIRCRAFT RETURNED TO BASE. "CLOSED" FOUND - [SDR CA190604028](https://openairdocs.org/sdr/CA190604028), Jun 3, 2019: HMU. MALFUNCTIONED. (CAN) CREW HAD #1 ENG FADEC FAULT. MEL 76-10-4 APPLIED AND AIRCRAFT DISPATCHED. UPON TAKEOFF ROLL #1 ENGINE WOULD NOT PRODUCE POWER ABOVE 39% N1 IN MANUAL MODE. - [SDR CA190304018](https://openairdocs.org/sdr/CA190304018), Mar 2, 2019: ADC. FAILED. (CAN) FGC, YAW DAMP, FTC, WINDSHEAR, CAT 3 AUTO LAND, TRP, MCP ALTITUDE ALL FAILED, AND COMPARATOR MASTER CAUTION ILLUMINATED DURING FLIGHT. POSSIBLE MUD WASP D - [SDR CA190604027](https://openairdocs.org/sdr/CA190604027), Jul 18, 2018: HMU. MALFUNCTIONED. (CAN) #4 ENGINE FADEC FAULT OCCURRED, LITTLE ENGINE CONTROL WITH SWITCH OFF. HMA REPLACED WITH SERVICEABLE UNIT. LEAK AND FUNCTION RUNS C/O IAW 73-20-01, 72-00- - [SDR CA180529015](https://openairdocs.org/sdr/CA180529015), May 29, 2018: BRACKET. CORRODED. (CAN) DURING THE INSPECTION OF CPCP CARD NR C57-530-02-01 (48 MONTH) LEVEL 3 CORROSION. EXFOLIATION WAS FOUND ON THE LOWER CORNER BRACKET OF THE RT AILERON 1/B - [SDR 1CSR201607011](https://openairdocs.org/sdr/1CSR201607011), Jul 1, 2016: SHOCK ABSORBER. LEAKING. LEFT LANDING GEAR SHOCK ABSORBER LEAKING INTERNALLY. FOUND GLAND NUT SAFETY WIRE BROKEN. R & R LT LANDING GEAR SHOCK ABSORBER IAW AMM 32-10-14, PAGE 401-406. SE - [SDR 2015FA0000471](https://openairdocs.org/sdr/2015FA0000471), Sep 30, 2015: TURBINE WHEEL. DENTED. DURING THE FINAL AUDIT OF A 3RD TURBINE ROTOR ASSEMBLY, A DISCREPANCY WAS NOTED IN THE ASSEMBLY PROCESS REGARDING THE TOOLING USED TO INSTALL THE PINS SECURING - [SDR CA160211004](https://openairdocs.org/sdr/CA160211004), Aug 5, 2015: EXTINGUISHER. UNWANTED DEPLOY. (CAN) CARGO FIRE EXTINGUISHER BOTTLE AUTO DEPLOYED, NOT ENTIRELY SURE OF CAUSE- SUSPECT ACFT BATTERY WAS LT ON THUS POWER DRAINED DOWN TO AN ALMOST DEAD CAPACIT - [SDR CA150415006](https://openairdocs.org/sdr/CA150415006), Apr 12, 2015: ELBOW. CRACKED. (CAN) SELECTED GEAR DOWN, LANDING IN GREEN QTY DROPPED TO 1/4 FULL. ACFT LANDED WITHOUT OCCURRENCE. ELBOW REPLACED & ACFT RETURNED TO SERVICE. - [SDR 2007FA0000351](https://openairdocs.org/sdr/2007FA0000351), Apr 24, 2007: THRUST BEARING. FAILED. NR 8 THRUST BEARING FAILURE RESULTED IN FAN AND SUPERCHARGER ROTORS TO SHIFT FORWARD CAUSING DAMAGE TO SUPERCHARGER 2ND DISK TO CONTACT THE STATORS MACHINING TH - [SDR MALA060492](https://openairdocs.org/sdr/MALA060492), Jul 30, 2006: OIL SYSTEM. UNKNOWN. AFTER TAKEOFF, NR 4 ENGINE OIL PRESSURE DROPPED TO RED ZONE. CREW SHUT ENGINE DOWN. ENGINE VIB CYCLED BETWEEN 1.1 & 1.9. ROUGHLY 1 MINUTE AFTER TAKEOFF NR 4 OIL - [SDR MALA060187](https://openairdocs.org/sdr/MALA060187), Mar 22, 2006: CARBON SEAL. FAILED. DURING THE TAKEOFF IN OMA, THE OIL QUANTITY DROPPED TO ZERO AND STAYED AT ZERO QUANTITY ON THE RETURN TO OMA. SHUTDOWN THE NR 2 ENGINE AS A PRECAUTION, DUE TO M - [SDR MALA050497](https://openairdocs.org/sdr/MALA050497), Jun 22, 2005: PUMP. MALFUNCTIONED. DURING CLIMB-OUT, YELLOW HYDRAULIC SYSTEM HIGH TEMP LIGHT ILLUMINATED. FOLLOWED QRH AND LIGHT EXTINGUISHED. RETURNED TO MEM. REMOVED AND REPLACED NR 2 EDP. - [SDR MALA050498](https://openairdocs.org/sdr/MALA050498), Jun 22, 2005: ENGINE. VIBRATION. CREW SHUT DOWN NR 3 ENGINE DUE TO ENGINE VIBRATION. NO EMERGENCY DECLARED AND FLIGHT LANDED WITHOUT FURTHER INCIDENT. - [SDR MALA050484](https://openairdocs.org/sdr/MALA050484), Jun 19, 2005: CONTROLLER. MALFUNCTIONED. CREW RETURNED FOLLOWING ENGINE NR 3 OVERSPEED CONDITION. EMERGENCY DECLARED AND ENGINE SHUT DOWN. REPLACED OVERSPEED CONTROLLER, HMA AND DOWNLOADED FADAMS. - [SDR MALA050482](https://openairdocs.org/sdr/MALA050482), Jun 18, 2005: FIRE WARNING. ACTIVATED. CREW REPORTED ENGINE FIRE ILLUMINATION EN ROUTE APPROX 15 MINUTES AFTER TAKEOFF. FLIGHT CREW SHUT ENGINE DOWN AND LIGHT EXTINGUISHED. DIDN'T BLOW FIRE BOTTLES. - [SDR MALA050378](https://openairdocs.org/sdr/MALA050378), Apr 21, 2005: PANEL. WORN. DURING A8 INSPECTION, FOUND FASTENER HOLES IN THE NR 1 & NR 2 ENGINE ATTENUATOR PANELS TO BE WORN THROUGH. ONE ON EACH ENGINE PANEL. - [SDR MALA050315](https://openairdocs.org/sdr/MALA050315), Apr 5, 2005: MANIFOLD. MALFUNCTIONED. AFTER LIFT OFF, CREW REPORTED THE NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED. CREW PULLED POWER LEVER TO IDLE ON THE NR 1 ENGINE AND THE LIGHT EXTINGUISHED. RET - [SDR MALA050287](https://openairdocs.org/sdr/MALA050287), Mar 21, 2005: ENGINE. LEAKING. IN CRUISE MEM - JAX 24,000 FT THICK HEAVY SMOKE (PETROLEUM BASE ODOR) IN THE FLIGHT DECK/CABIN. NO WARNINGS IN THE FLIGHT DECK LEADING UP TO THE EVENT. EMERGENC - [SDR MALA050231](https://openairdocs.org/sdr/MALA050231), Jan 28, 2005: ENGINE. FAILED. NR 1 ENGINE FAILED IN FLIGHT, HEARD A LOUD BANG, ENGINE SHUT DOWN. THE AIRCRAFT WAS INSPECTED IAW THE MESABA REQUIREMENT AS LISTED ON THE 3 ENGINE FERRY 02 TASK - [SDR MALA040746](https://openairdocs.org/sdr/MALA040746), Dec 6, 2004: MANIFOLD. LEAKING. DURING TAKEOFF ON FLIGHT 3669, NR 4 ENGINE OVERHEAT LIGHT ILLUMINATED IN FLIGHT. MAINTENANCE COMPLETED INSPECTION OF ENGINE NR 4, 1 & 2 FOR FIRE INDICATION. NO - [SDR MALA040649](https://openairdocs.org/sdr/MALA040649), Oct 24, 2004: WARNING LIGHT. FALSE INDICATION. FA AROUND 17,000 FT CABIN HIGH ALT LIGHT ILLUMINATED. 02 MASKS DROPPED FROM CEILING BEFORE THEY COULD DROP IN ALTITUDE. THIS WAS A REPOSITION FLIGHT. NO PAX ON - [SDR MALA040617](https://openairdocs.org/sdr/MALA040617), Oct 16, 2004: HANDLE. INOPERATIVE. VIBRATION IN CLIMBOUT AND LT GEAR WARNING LT AND GEAR HANDLE LIGHT TOGETHER INTERMITTENTLY. AIR RETURN. FOR VIBRATION AT 270 KNOTS WITH LT MLG UNSAFE INDICATION - [SDR MALA040655](https://openairdocs.org/sdr/MALA040655), Oct 12, 2004: WIRE HARNESS. DAMAGED. NR 2 ENGINE EGT GAUGE ERRATIC. AIRCRAFT RETURNED TO MSP AFTER TAKEOFF DUE TO THE NR 2 ENGINE EGT FLUCTUATING -0- TO NORMAL. MAINTENANCE INSTALLED NR 2 ENGINE EC - [SDR MALA040612](https://openairdocs.org/sdr/MALA040612), Oct 10, 2004: ECU. FLUCTUATES. NR 2 ENGINE EGT ERRATIC FLUCUATES -50C TO 603C T/O. AIR RETURN TO DTW. MAINTENANCE REPLACED NR 2 ENGINE ECU IAW MM 77, OPS CHECK GOOD IAW MM P/N ON & OFF 2-303- - [SDR MALA040605](https://openairdocs.org/sdr/MALA040605), Oct 2, 2004: ENGINE. LEAKING. AIRCRAFT WAS IN FLIGHT WHEN NR 4 ENGINE OIL PSI AND QUANTITY WENT TO ZERO. CREW SECURED THE ENGINE AND LANDED IN MSP. CREW SHUTDOWN ENGINE, A/C DIVERTED TO MSP. - [SDR MALA040580](https://openairdocs.org/sdr/MALA040580), Sep 20, 2004: ENGINE. LEAKING. NR 3 ENG LOW PRESS LIGHT ILLUM INFLIGHT, COMFIRMED 25 PSI. SHUT DOWN ENG. ENG WINDMILLED AT 16 PERCENT N2 WITH ABOUT 5 PSE OIL PRESSURE. SHUTDOWN UNTIL LANDING - [SDR MALA040577](https://openairdocs.org/sdr/MALA040577), Sep 14, 2004: APU. SHUTDOWN. APU-AUTO SHUTDOWN IN FLIGHT. AFTER TAKEOFF THE APU AUTO SHUTDOWN AND NR 1 ENGINE WAS ALREADY ON MEL. AIR RETURN TO GRB. MAINTENANCE DEFERRED APU DUE TO AUTO SHU - [SDR MALA040561](https://openairdocs.org/sdr/MALA040561), Sep 1, 2004: LINE. LEAKING. DURING TAXI OUT, CAPT HEARD A LOUD POP, A LONG, STRONG LOW PITCH HISSING SOUND COMING FROM REAR OF AIRCRAFT. HYDRAULIC PANEL QUANTITY AND PRESSURE FOR GREEN SYS - [SDR MALA040542](https://openairdocs.org/sdr/MALA040542), Aug 28, 2004: ENGINE. MALFUNCTIONED. NR 2 ENG FIRE INDICATION AFTER T/O ENG WAS SHUT DOWN AND EXT NR 1 BLOWN, QRH COMPLETED. A/C FERRIED FROM PHL TO MSP FOR REPAIRS TO NR 2 ENGINE AND FIRE SEAL COW - [SDR MALA040541](https://openairdocs.org/sdr/MALA040541), Aug 27, 2004: WARNING LIGHT. FALSE INDICATION. NR 2 ENGINE FIRE INDICATION AFTER TAKEOFF. EMERGENCY CHECKLIST COMPLETED. NR 2 ENGINE NR 1 EXTINGUISHER USED . AIRBORNE APPROX 7 MINS. AFTER ENGINE SHUTDOWN TO - [SDR MALA040545](https://openairdocs.org/sdr/MALA040545), Aug 22, 2004: FRAME. CHAFED. DURING C-CHECK INSPECTION, RUDDER HINGE A-FRAME AT RB 10 WAS FOUND WITH THE AFT RUDDER ATTACH BEARING OUT OF THE FRAME. THE A-FRAME WAS CHAFED AS WELL AS CHAFFI - [SDR MALA040544](https://openairdocs.org/sdr/MALA040544), Aug 22, 2004: SKIN. CHAFED. DURING C-CHECK INSPECTION PERFORMED, CHAF MARKS FOUND ON RT FLAP TAB LOWER SKIN AT NR 2 HINGE POINT. MAINTENANCE REPAIRED ON 409 NR 186860. - [SDR MALA040543](https://openairdocs.org/sdr/MALA040543), Aug 22, 2004: SKIN. CHAFED. DURING C CHECK INSPECTION PERFORMED, CHAFF MARKS FOUND ON RT FLAP TAB LOWER SKIN AT NR 1 HINGE POINT. MAINTENANCE REPAIRED ON 409 NR 186861. - [SDR MALA040553](https://openairdocs.org/sdr/MALA040553), Aug 18, 2004: BATTERY PACK. FAILED. DURING CAPACITY CHECK, BATTERY PACK PN 61-2275-1 SN/0007383 REMOVED AS BAD FROM STOCK CAPACITY CHECK FAILED, 8/18/04 AND 8/25/04. MAINTENANCE REPLACED BATTERY A - [SDR MALA040560](https://openairdocs.org/sdr/MALA040560), Aug 18, 2004: BATTERY PACK. DISCHARGED. DURING SCHEDULED CAPACITY CHECK, BATTERY PACK PN/61-2275-1 SN/0008399 FAILED ON 8/18 AND 8/25/04. MAINTENANCE REPLACED BATTERY ASSEMBLY PN 61-2274-1. UNIT PASSE - [SDR MALA040552](https://openairdocs.org/sdr/MALA040552), Aug 18, 2004: BATTERY PACK. DISCHARGED. DURING CAPACITY CHECK, BATTERY PACK PN 61-2275-1 SN/9911208 REMOVED FAILED CAPACITY CHECK 8/18/04 & 8/25/04. MAINTENANCE REPLACED BATTERY PACK ASSEMBLY 61-2274- - [SDR MALA040555](https://openairdocs.org/sdr/MALA040555), Aug 18, 2004: BATTERY PACK. DISCHARGED. DURING SCHEDULED CAPACITY CHECK, BATTERY PACK PN 61-2275-1 SN/9710074, FAILED CAPACITY CHECK, MAINTENANCE REPLACED BATTERY PACK ASSEMBLY PN 61-2274-1. UNIT PASS - [SDR MALA040554](https://openairdocs.org/sdr/MALA040554), Aug 18, 2004: BATTERY PACK. DISCHARGED. DURING CAPACITY CHECK, BATTERY PACK PN 61-2275-1 SN/0006373 REMOVED FOR CAPACITY CHECK. MAINTENANCE REPLACED BATTERY ASSEMBLY 61-2274-1 UNIT PASSES CMM TESTS, R - [SDR MALA040557](https://openairdocs.org/sdr/MALA040557), Aug 11, 2004: BATTERY PACK. FAILED. DURING SCHEDULED CAPACITY CHECK, BATTERY PACK PN/61-2275-1 SN/9810762 FAILED. MAINTENANCE REPLACED BATTERY ASSEMBLY PN 61-2274-1. UNIT PASSES CMM CHECKS. RETURN - [SDR MALA040559](https://openairdocs.org/sdr/MALA040559), Aug 7, 2004: BATTERY PACK. FAILED. DURING SCHEDULED CAPACITY CHECK, BATTERY PACK PN/61-2275-1 SN/9801233 FAILED ON 8/7/04 AND 8/11/04. MAINTENANCE REPLACED BATTERY ASSEMBLY PN 61-2274-1. UNIT PAS - [SDR MALA040558](https://openairdocs.org/sdr/MALA040558), Aug 7, 2004: BATTERY PACK. DISCHARGED. DURING SCHEDULED CAPACITY CHECK, BATTERY PACK PN/61-2275-1 SN/9805520 FAILED. MAINTENANCE REPLACED BATTERY ASSEMBLY PN 61-2274-1. UNIT PASSES CMM CHECKS. RETURN - [SDR MALA040479](https://openairdocs.org/sdr/MALA040479), Jul 5, 2004: ENGINE. VIBRATION. AFTER DEPARTING, EXPERIENCED ENG VIBRATION OF UP TO 1.9, QRH WAS FOLLOWED, POWER REDUCED, ENG VIB FEL TO .8, THEN WENT BACK TO 1.3, AND PERFORMED A PRECAUTIONAR - [SDR MALA040475](https://openairdocs.org/sdr/MALA040475), Jun 30, 2004: ENGINE. MALFUNCTIONED. WHILE IN CRUISE, CREW REPORTED NR 2 ENGINE TEMP LIMITED AND LOW N1. AIR RETURN TO MEM. MAINTENANCE REPLACED BLOWN OUT COMBUSTER BLEED SEAL ON NR 1 ENG. REMOVED - [SDR MALA040450](https://openairdocs.org/sdr/MALA040450), Jun 20, 2004: ENGINE. SHUTDOWN. NR 2 ENGINE SHUTDOWN IN FLIGHT DUE TO LOW OIL PRESSURE, 1304240-1,1304240-2 & 1304241-3 FROM PREVIOUS LOG PAGES. AC TO BE 3 ENG. FERRIED FROM MEM TO MSP FOR NR - [SDR MALA040404](https://openairdocs.org/sdr/MALA040404), May 19, 2004: PERISEAL. FAILED. L ZONE HIGH TEMP ILLUMINATED DURING CRUISE. AIR RETURN. MAINTENANCE REPLACED PERI-SEALS (PN 706-3-200), ADJACENT TO PYLON O/H SWITCH IN LEADING EDGE. OPS AND LE - [SDR MALA040405](https://openairdocs.org/sdr/MALA040405), May 19, 2004: DOOR. OPEN. LOWER DOOR NOT SHUT ILLUMINATED IN FLIGHT AT APPROX 9000 FT. STAYED ON FOR DURATION OF FLIGHT. AIR RETURN. MAINTENANCE REMOVED AND REPLACED REAR CARGO DOOR IAW - [SDR MALA040373](https://openairdocs.org/sdr/MALA040373), Apr 29, 2004: ECU. FAILED. DURING APPROACH NR 3 ENGINE EGT EXCEEDED LIMITS, 690 FOR ABOUT 5 SECONDS BEFORE SHUTTING ENGINE DOWN. AFTER ENGINE SHUTDOWN EGT CONTINUED TO OVERTEMP AND INDICA - [SDR MALA040390](https://openairdocs.org/sdr/MALA040390), Apr 29, 2004: BATTERY PACK. DISCHARGED. DURING SCHEDULED CAPACITY CHECK, BATTERY PACK PN 61-2275-1, SN/9808677 WAS REMOVED FOR SCHEDULED CAPACITY CHECK ON 4/20/04. UNIT FAILED CAP CHECK ON 4/29/04. MA All 137: https://openairdocs.org/engine/alliedsign-lf507-1f/reports.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.