# Service difficulty reports: Alliedsign LF507-1F

A list on [Alliedsign LF507-1F](https://openairdocs.org/engine/alliedsign-lf507-1f.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 137 reports

- [SDR 2022FA0000242](https://openairdocs.org/sdr/2022FA0000242.md): None · none · Apr 29, 2022 · N366AC · Bac AVRO146RJ85A · Powerplant System
  > "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.md): None · faulted · Apr 29, 2022 · N366AC · Bac 111* · Powerplant System
  > "OPEN"- DURING MAINTENANCE CHECK FLIGHT, THE #1 ENGINE EXPERIENCED A HIGH VIBRATION AND SHUTDOWN WITH SUDDEN STOPPAGE. AIRCRAFT RETURNED TO BASE.
- [SDR CA190604028](https://openairdocs.org/sdr/CA190604028.md): Hmu · malfunctioned · Jun 3, 2019 · Bac AVRO146RJ85A · Fuel Controlling System
  > (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. TAKEOFF REJECTED. EEC FAULT CODES 4 AND C RECORDED. HMA S/N 98AGU673 REPLACED AND AIRCRAFT RETURNED
- [SDR CA190304018](https://openairdocs.org/sdr/CA190304018.md): Adc · failed · Mar 2, 2019 · Bac AVRO146RJ85A · Air Data Computer
  > (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 DEBRIS CLEARED FROM CAPTAIN SIDE STATIC LINE. #1 AIR DATA COMPUTER REPLACED. AIRCRAFT TEST FLOWN AND
- [SDR CA190604027](https://openairdocs.org/sdr/CA190604027.md): Hmu · malfunctioned · Jul 18, 2018 · Bac AVRO146RJ100 · Fuel Controlling System
  > (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, 72-00-00 & 71-00-00. GROUND CHECKED SERVICEABLE. DURING PART TEARDOWN FOUND CDP PISTON SEIZED DUE TO EXTRE
- [SDR CA180529015](https://openairdocs.org/sdr/CA180529015.md): Bracket · corroded · May 29, 2018 · Bac AVRO146RJ100 · Wing, Control Surface Attach Fittings
  > (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 HINGE RIB AT THE RIB 20 LOCATION. P/N: HC572H0761-003. ONCE THE RT AILERON 1/B HINGE RIB WAS REMO
- [SDR 1CSR201607011](https://openairdocs.org/sdr/1CSR201607011.md): Shock Absorber · leaking · Jul 1, 2016 · N366AC · Bac AVRO146RJ85A · Main Landing Gear Strut/Axle/Truck
  > 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. SERVICED SHOCK ABSORBER IAW AMM 32-10-14, PAGE 301-304.
- [SDR 2015FA0000471](https://openairdocs.org/sdr/2015FA0000471.md): Turbine Wheel · dented · Sep 30, 2015 · Turbine Section
  > 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 THE BLADES. THE TOOLING WAS STRIKING THE DISK LEAVING AN INDICATION THAT WAS NOT ALLOWED IAW THE OH
- [SDR CA160211004](https://openairdocs.org/sdr/CA160211004.md): Extinguisher · unwanted deploy · Aug 5, 2015 · Bac AVRO146RJ100 · Fire Bottle, Fixed
  > (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 CAPACITY AND FIRE EXTINGUISHER CONTROL BOX SENSED THIS AND AUTO DEPLOYED THE FIRE EXTINGUISHER INTO ACFT CA
- [SDR CA150415006](https://openairdocs.org/sdr/CA150415006.md): Elbow · cracked · Apr 12, 2015 · Bac AVRO146RJ85A · Landing Gear Retraction/Extension System
  > (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.md): Thrust Bearing · failed · Apr 24, 2007 · Reciprocating Engine Supercharger
  > 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 THROUGH THE 2ND SUPERCHARGER DISK WEB, RESULTING IN IN-FLIGHT SHUTDOWN OF NR 1 ENGINE. OPERATIONAL
- [SDR MALA060492](https://openairdocs.org/sdr/MALA060492.md): Oil System · unknown · Jul 30, 2006 · N534XJ · Bac AVRO146RJ85A · Turbine Engine Oil System
  > 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 PRESSURE ILLUMINATED. NR 4 OIL PSI WAS IN THE RED. NO VIBRATION WAS FELT ON THE AIRCRAFT. NR 4
- [SDR MALA060187](https://openairdocs.org/sdr/MALA060187.md): Carbon Seal · failed · Mar 22, 2006 · N519XJ · Bac AVRO146RJ85A · Turbine Engine Oil System
  > 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 MX PUTTING IN 6 QTS OF OIL IN THE ENGINE THE DAY BEFORE. ENGINE WINDMILLED 5 MINUTES AND SOME OIL P
- [SDR MALA050497](https://openairdocs.org/sdr/MALA050497.md): Pump · malfunctioned · Jun 22, 2005 · N524XJ · Bac AVRO146RJ85A · Hydraulic Pump (Electric/Engine), Main
  > 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.md): Engine · vibration · Jun 22, 2005 · N508XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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.md): Controller · malfunctioned · Jun 19, 2005 · N519XJ · Bac AVRO146RJ85A · Turbine Governor
  > 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.md): Fire Warning · activated · Jun 18, 2005 · N515XJ · Bac AVRO146RJ85A · Fire Detection
  > 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. RETURNED TO AIRPORT. NO FURTHER INFORMATION AVAILABLE AT THIS TIME. REPLACED NR 2 ENGINE LT AND
- [SDR MALA050378](https://openairdocs.org/sdr/MALA050378.md): Panel · worn · Apr 21, 2005 · N503XJ · Bac AVRO146RJ85A · Turbine Engine Air Inlet Section
  > 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.md): Manifold · malfunctioned · Apr 5, 2005 · N515XJ · Bac AVRO146RJ85A · Fuel Controlling System
  > 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. RETURNED TO MLI. REPLACED FUEL MANIFOLD. DATE OF MANUFACTURER 8/18/1998.
- [SDR MALA050287](https://openairdocs.org/sdr/MALA050287.md): Engine · leaking · Mar 21, 2005 · N529XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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. EMERGENCY DECLARED AND FLIGHT 3632 DIVERTED TO ASN. LANDED WITHOUT FURTHER INCIDENT. POST FLIGHT CREW NO
- [SDR MALA050231](https://openairdocs.org/sdr/MALA050231.md): Engine · failed · Jan 28, 2005 · N524XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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 CARD AND WAS FOUND TO BE SAFE FOR THE INTENDED FERRY FLIGHT FROM DTW TO MSP. APU MUST BE RUNNING
- [SDR MALA040746](https://openairdocs.org/sdr/MALA040746.md): Manifold · leaking · Dec 6, 2004 · N530XJ · Bac AVRO146RJ85A · Fuel Controlling System
  > 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 DEFECTS NOTED. INSPECTED NR 4 ENGINE FIRE LOOPS A & B. NO INDICATIONS NOTED. FIRE BOTTLE WAS NO
- [SDR MALA040649](https://openairdocs.org/sdr/MALA040649.md): Warning Light · false indication · Oct 24, 2004 · N501XJ · Bac AVRO146RJ85A · Cabin Pressure Indicator
  > 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 BOARD. O2 GENS GOOD RESTOWED MASKS REF AMM 0501.
- [SDR MALA040617](https://openairdocs.org/sdr/MALA040617.md): Handle · inoperative · Oct 16, 2004 · N514XJ · Bac AVRO146RJ85A · Landing Gear Retraction/Extension System
  > 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 WITH GEAR HANDLE LIGHT. MAINTENANCE DUE TO VIBRATION, INSPECTED AND ADJUSTED SPOILER SEALS ON BO
- [SDR MALA040655](https://openairdocs.org/sdr/MALA040655.md): Wire Harness · damaged · Oct 12, 2004 · N536XJ · Bac AVRO146RJ85A · Engine Fuel System Wiring
  > 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 ECU-HMU HARNESS ASSEMBLY BY PIGGY BACKING IN SERVICEABLE HARNESS, OPS CHECKS GOOD. TEMPORARILY INST
- [SDR MALA040612](https://openairdocs.org/sdr/MALA040612.md): Ecu · fluctuates · Oct 10, 2004 · N536XJ · Bac AVRO146RJ85A · Fuel Controlling System
  > 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 2-303-493-06, S/N ON 7ALG570, S/N OFF 3AGT92 & THERMOCOUPLE HARNESS P/N ON & OFF 2-310-089-02 IAW AMM 77
- [SDR MALA040605](https://openairdocs.org/sdr/MALA040605.md): Engine · leaking · Oct 2, 2004 · N518XJ · Bac AVRO146RJ85A · Turbine Engine Oil System
  > 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. OIL QUANTITY READ 0 OIL PSI BETWEEN 20 & 40 PSI N2 REMAINED AT APPROX 20 PERCENT. MAINTENANCE R
- [SDR MALA040580](https://openairdocs.org/sdr/MALA040580.md): Engine · leaking · Sep 20, 2004 · N529XJ · Bac AVRO146RJ85A · Turbine Engine Oil System
  > 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 TIME WAS 15-20 MIN. TIME BELOW 2 PERCENT WAS 5 MIN. RETURNED TO MEM. INSPECTED NR 3 ENG, FOUND
- [SDR MALA040577](https://openairdocs.org/sdr/MALA040577.md): Apu · shutdown · Sep 14, 2004 · N527XJ · Bac AVRO146RJ85A · APU Core Engine
  > 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 SHUTDOWN IAW MEL 49-00-1 (C) C/B PULLED PLACARDED, ENTERED INTO DRM MOX NOTIFIED. MAINTENANCE REMOVE
- [SDR MALA040561](https://openairdocs.org/sdr/MALA040561.md): Line · leaking · Sep 1, 2004 · N529XJ · Bac AVRO146RJ85A · Hydraulic System, Main
  > 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 QUICKLY BLED TO ZERO AND ASSOCIATED QUANTITY, LOW PRESSURE AIR TO PRESSURE LIGHT ILLUMINATED. CAB
- [SDR MALA040542](https://openairdocs.org/sdr/MALA040542.md): Engine · malfunctioned · Aug 28, 2004 · N519XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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 COWL AREA. FOUND EVIDENCE OF EXCESSIVE HEAT NEAR FUEL AND LUBE LINE AT 6 O`CLOCK POSITION, APPEARS TO
- [SDR MALA040541](https://openairdocs.org/sdr/MALA040541.md): Warning Light · false indication · Aug 27, 2004 · N519XJ · Bac AVRO146RJ85A · Fire Detection
  > 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 TOUCHDOWN. MX PERFORMED FDAMS DOWNLOAD. FIRE EVENT=NO CHANGE IN ENG PARARMETERS, NR 2 ENG. WIN
- [SDR MALA040545](https://openairdocs.org/sdr/MALA040545.md): Frame · chafed · Aug 22, 2004 · N515XJ · Bac AVRO146RJ85A · Rudder, Spar/Rib
  > 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 CHAFFING DAMAGE TO THE RUDDER. REPAIRS CARRIED OUT ON 409 NR 186829.
- [SDR MALA040544](https://openairdocs.org/sdr/MALA040544.md): Skin · chafed · Aug 22, 2004 · N515XJ · Bac AVRO146RJ85A · Trailing Edge Flaps
  > 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.md): Skin · chafed · Aug 22, 2004 · N515XJ · Bac AVRO146RJ85A · Trailing Edge Flaps
  > 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.md): Battery Pack · failed · Aug 18, 2004 · N502XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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 ASSEMBLY 61-2275-1 UNIT PASSES CMM TESTS, RETURNED TO SERVICE 8/29/04. REFER TO WO NR 374052 FOR ADDI
- [SDR MALA040560](https://openairdocs.org/sdr/MALA040560.md): Battery Pack · discharged · Aug 18, 2004 · N532XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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 PASSES CMM CHECKS. RETURNED TO SERVICE 8/29/04. REFER TO WO NR 374244 FOR ADDITIONAL INFORMATION.
- [SDR MALA040552](https://openairdocs.org/sdr/MALA040552.md): Battery Pack · discharged · Aug 18, 2004 · N511XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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 61-2274-1 UNIT PASSES CMM TESTS, RETURNED TO SERVICE 8/29/04. REFER TO WO NR 374107 FOR ADDITIONAL INFORMATI
- [SDR MALA040555](https://openairdocs.org/sdr/MALA040555.md): Battery Pack · discharged · Aug 18, 2004 · N508XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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 PASSES ALL CMM TESTS. AIRCRAFT RETURNED TO SERVICE 8/19/04. REFER TO WO NR 374245 FOR ADDITIONAL INFORM
- [SDR MALA040554](https://openairdocs.org/sdr/MALA040554.md): Battery Pack · discharged · Aug 18, 2004 · N520XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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, RETURNED TO SERVICE 8/19/04. REFER TO WO NR 374269 FOR ADDITIONAL INFORMATION.
- [SDR MALA040557](https://openairdocs.org/sdr/MALA040557.md): Battery Pack · failed · Aug 11, 2004 · N534XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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. RETURNED TO SERVICE 8/17/04. REFER TO WO NR 373901 FOR ADDITIONAL INFORMATION.
- [SDR MALA040559](https://openairdocs.org/sdr/MALA040559.md): Battery Pack · failed · Aug 7, 2004 · N534XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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 PASSES CMM CHECKS. RETURNED TO SERVICE 8/17/04. REFER TO WO NR 373759 FOR ADDITIONAL INFORMATION.
- [SDR MALA040558](https://openairdocs.org/sdr/MALA040558.md): Battery Pack · discharged · Aug 7, 2004 · N534XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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. RETURNED TO SERVICE 8/17/04. REFER TO WO NR 373758 FOR ADDITIONAL INFORMATION.
- [SDR MALA040479](https://openairdocs.org/sdr/MALA040479.md): Engine · vibration · Jul 5, 2004 · N530XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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 PRECAUTIONARY SHUTDOWN. OIL QTY PRIOR TO START AND TAKEOFF.7500 -.5000. AFTER SHUTDOWN.2500. OIL PRESSURE 10
- [SDR MALA040475](https://openairdocs.org/sdr/MALA040475.md): Engine · malfunctioned · Jun 30, 2004 · N512XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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 AND REPLACED NR 2 ENG P/N ON/OFF 2-003-040-15, S/N ON PO7801, S/N OFF P07793 IAW MAL JC 7100-502,
- [SDR MALA040450](https://openairdocs.org/sdr/MALA040450.md): Engine · shutdown · Jun 20, 2004 · N533XJ · Bac AVRO146RJ85A · Engine (Turbine/Turboprop)
  > 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 2 ENG REPLACEMENT. NR 2 ENG LOCK DOWN 3 FWD GALLEY CARTS REMOVED & POTABLE WATER DRAINED. MAINTE
- [SDR MALA040404](https://openairdocs.org/sdr/MALA040404.md): Periseal · failed · May 19, 2004 · N517XJ · Bac AVRO146RJ85A · Pneumatic Distribution System
  > 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 LEAK CHECK GOOD IAW AMM CHPT 36.
- [SDR MALA040405](https://openairdocs.org/sdr/MALA040405.md): Door · open · May 19, 2004 · N529XJ · Bac AVRO146RJ85A · Cargo/Baggage Doors
  > 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 AMM 52-31-21 201/202 ALL CHECKS GOOD. PN ON/OFF HS523J019-006 SN ON HAF/DH-0118 SN OFF HAF/DH-157.
- [SDR MALA040373](https://openairdocs.org/sdr/MALA040373.md): Ecu · failed · Apr 29, 2004 · N532XJ · Bac AVRO146RJ85A · Fuel Controlling System
  > 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 INDICATE VARIABLE AS POWER WOULD INCREASE OR DECREASE. WHEN FADEC WAS TURNED ON EGT APPEARED NORMAL FOR
- [SDR MALA040390](https://openairdocs.org/sdr/MALA040390.md): Battery Pack · discharged · Apr 29, 2004 · N511XJ · Bac AVRO146RJ85A · Emergency Lighting
  > 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. MAINTENANCE REPLACED BATTERY PACK CELL PN 61-2274-1 UNIT CHARGED AND PASSED COMM TESTS. A/C RELEASE

Next page: https://openairdocs.org/engine/alliedsign-lf507-1f/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'LF5071F'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/alliedsign-lf507-1f/reports

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