# Service difficulty reports: GE CF6-80C2B1F A list on [GE CF6-80C2B1F](https://openairdocs.org/engine/ge-cf6-80c2b1f.md). Newest first. General aviation reporting is voluntary. Page 1 of 16 · 767 reports - [SDR UIEA2026101200981](https://openairdocs.org/sdr/UIEA2026101200981.md): Packing · missing · Oct 12, 2026 · N485MC · Boeing 74745EF · Turbine Engine Oil System > 1:30HR INTO FLIGHT AT 36000 ENG 4 OIL QTY INDICATED 10 MAGENTA, DECREASED APPROX EVERY 10-20 MINS. 0 QTS INDICATED AT TOP OF DESCENT, DURING DESCENT IT INDICATED 1QT, LDG 0 QTS, & ENG SHUTDOWN 2 QTS. AFTER ENG 4 EDP REMOVAL, FOUND EDP DRIVE SHAFT MISSING PAC - [SDR 9WGA2026101234402](https://openairdocs.org/sdr/9WGA2026101234402.md): Hmu · faulted · Oct 10, 2026 · N344KD · Boeing 747446 · Fuel Controlling System > LOG PAGE 251714, ITEM 1, ENGINE #4 LOST THRUST IN CRUISE N1, 32% FUEL FLOW 0.3 ALL ENGINE INDICATIONS WERE NORMAL IN DESCENT AT LOW ENGINE POWER EICAS ENGINE FAIL MSG SHOWED WITH OIL PRESS GETTING LOW PROPTING PRECAUTIONARY SHUTDOWN, AFTER ARRIVAL TO ANC, MAIN - [SDR UIEA2026091900885](https://openairdocs.org/sdr/UIEA2026091900885.md): Engine · failed · Sep 20, 2026 · N485MC · Boeing 74745EF · Engine (Turbine/Turboprop) > ENGINE 4 FAIL AFTER TAKEOFF. REPLACED NR 4 ENG DURING ENG RUN-UP. NO FAULT MSG; LEAK CHK NML AND OPS CHK NML AS PER AMM 71-00-00, 71-00-02 AND AIPC 71-00-51-06A ITEM 10. NO FURTHER DEFECTS NOTED.

) - [SDR UIEA2026091800883](https://openairdocs.org/sdr/UIEA2026091800883.md): Oil Filter · false indication · Sep 17, 2026 · N439GT · Boeing 747409F · Turbine Engine Oil System > EICAS MESSAGE ENG 3 OIL FILTER DISPLAYED RAN QRH AND COMPLETED QRH SHUTDOWN ENG 3. PERFORMED FIM TASK 71-00 & TASK A07 PER BLOCK 41. AFTER ENG RUN NO DEBRIS WAS FOUND; CONTINUED IN SERVICE. PERFORMED FIM TASK 79-00 FAULT TREE FIG 103. MSG CLEARED AND NO BLOCK - [SDR U2RA2026091100059](https://openairdocs.org/sdr/U2RA2026091100059.md): Bottle · low pressure · Sep 11, 2026 · N952CA · Boeing 747428 · Escape Slide > UPPER DECK DOOR SLIDE INFLATION CYLINDER PRESSURE LOW. REMOVED AND REPLACED DOOR SLIDE ASSEMBLY. - [SDR U2RA2026081700049](https://openairdocs.org/sdr/U2RA2026081700049.md): Circuit Card · faulted · Aug 12, 2026 · N952CA · Boeing 747428 · Fire Detection > ON GROUND - ERRONEOUS FIRE WARNINGS - CLEANED AND RESEATED AFOLTS INTERFACE CARD. SYSTEM OPERATION NORMAL PER AIRCRAFT MAINTENANCE MANUAL 26-10-01. - [SDR UIEA2026080500680](https://openairdocs.org/sdr/UIEA2026080500680.md): Engine · vibration · Aug 4, 2026 · N429MC · Boeing 747481 · Engine (Turbine/Turboprop) > AIRCRAFT VIBRATION INCREASED WITH POWER ADVANCED. ENG 1 LOCKED OUT AND 3 ENG FERRY TO ICN. AFTER FERRY FLIGHT, INSPECTED A/C CONDITION, ALL CHECK OK. PERF ENG RUN UP CHECK, NO STS MSG & NO FAULT FOUND IAW AMM 71-00-00. R & R NR 1 ENG PER W/O 162878 TASK CAR - [SDR UIEA2026072200638](https://openairdocs.org/sdr/UIEA2026072200638.md): Engine · malfunctioned · Jul 22, 2026 · N438GT · Boeing 747409F · Engine Fuel and Control > NR 2 ENGINE FAILED TO SPOOL ABOVE IDLE WHEN T/O THRUST SET. RESPONDS SLOWLY TO THRUST LEVER INPUTS. PERFORMED MPA RUNS ON NR 2 ENGINE, NO FAULTS NOTED. PERFORMED HIGH-ENERGY STOP CONDITIONAL INSP IAW AMM 05-51-10. NO FAULTS NOTED. - [SDR U2RA2026081100048](https://openairdocs.org/sdr/U2RA2026081100048.md): Skin · dented · Jul 15, 2026 · N537CA · Boeing 747446F · Trailing Edge Flaps > DURING C-CHECK AT HANGAR, LT WING V/C FLAP NR 1E FOLDING NOSE SKIN WAS FOUND WITH DENT. PERMANENT REPAIR ACCOMPLISHED IAW SRM 57-43-02, REPAIR 2. - [SDR U2RA2026071400035](https://openairdocs.org/sdr/U2RA2026071400035.md): Battery Pack · inoperative · Jun 23, 2026 · N537CA · Boeing 747446F · Emergency Lighting > BATTERY PACK DID NOT PASS CAPACITY TEST. - [SDR U2RA2026071400034](https://openairdocs.org/sdr/U2RA2026071400034.md): Keelbeam · corroded · Jun 2, 2026 · N569CA · Boeing 747412 · Fuselage Main, Keel > LEFT WING MLG WW KEELBEAM AREA CENTER WEB CHORD CORROSION. BS 1276-1287. REPAIR ACCOMPLISHED IAW SRM. - [SDR UIEA2026042900264](https://openairdocs.org/sdr/UIEA2026042900264.md): Engine · power loss · Apr 28, 2026 · N487MC · Boeing 74745EF · Engine (Turbine/Turboprop) > UPON SETTING TAKEOFF THRUST, ENGINE 4 DID NOT SPOOL UP. FOLLOWED FIM 71-00 TO BLOCK 43, ENGINE OPERATED NORMAL, NO DAMAGE FOUND TO ABRADABLE SHROUD OR FAN BLADES. C/W MPA AND ACCELERATION ENGINE RUN IAW AMM 71-00-00. OPS CHECK GOOD. - [SDR UIEA2026041900218](https://openairdocs.org/sdr/UIEA2026041900218.md): Oil System · leaking · Apr 18, 2026 · N454PA · Boeing 74746NF · Turbine Engine Oil System > ENG #1 OIL QTY DROPPED TO 1 AFTER T/O, FOLLOW WITHIN 20 MINS BY ENG OIL PRESS ADVISORY MSG. QRH FOLLOWED, AND ENG #1 WAS SHUT DOWN. WITHIN 15 MINS OF ENG SHUTDOWN, HYD PRESS SYSTEM 1 CAUTION MSG, QRH FOLLOWED HYD SYSTEM 1 SHUT DOWN. REMOVED AND REPLACED - [SDR IPXA2026012682273](https://openairdocs.org/sdr/IPXA2026012682273.md): Start Valve · faulted · Jan 26, 2026 · N572UP · Boeing 74744AF · Engine Start Valves/Controls > AIR TURN BACK, NR 3 STARTER CUTOUT EICAS MESSAGE IN CLIMB, CONTINUED THROUGH FLIGHT. QRH PROCEDURE FOLLOWED. R & R NR 3 ENG START VALVE IAW AMM 80-11-02/401 & OPS CHECKED NORMAL. - [SDR UIEA2025121201341](https://openairdocs.org/sdr/UIEA2025121201341.md): Elec Connector · damaged · Dec 12, 2025 · N412MC · Boeing 74747UF · Electrical Power System Wiring > NO NAI INDICATION FOR ENG 1 NAI VALVE IS ON DEFERRAL DMI 243009 AND LOCKED OPEN, & CONNECTOR IS REMOVED. RAN ENGINE IAW 71-00-00, VALVES OPS NORMAL. RESET PUSHED PIN ON PLUG 40289P PIN 15 & OPS CHK OK PER AMM 30-21-00 & 71-00-00. - [SDR KCSA2025100954](https://openairdocs.org/sdr/KCSA2025100954.md): Manifold · cracked · Oct 7, 2025 · N767CK · Boeing 747481F · Engine Fuel Distribution > NR 3 ENG FAILED, STABLE/NO VIBRATIONS, N1-26.9, OIL PSI 9 PSI 1 MIN THEN ABOVE 10 PSI. N2-26.2, TIME OF FAIL 2243 IN THE CLIMB. IAW FIM 73-00 FIG 114 FAULT TREE PERFD ENG FUEL SUCTION FEED OPS TEST IAW AMM 28-22-00. OPS CHK FAILED. NO FUEL FLOW IND ON START U - [SDR 9WGA202508250203](https://openairdocs.org/sdr/9WGA202508250203.md): Manifold · cracked · Aug 23, 2025 · N344KD · Boeing 747446 · Turbine Engine Oil System > ENGINE #3 OIL QUANTITY WENT TO ZERO IN CRUISE FOLLOWED QRH FOR ENGINE 3 OIL PRESSURE. ENGINE SHUT DOWN PER QRH. REMOVED AND REPLACED LUBE SCAVENGE PUMP DISCHARGE MANIFOLD PER AMM 79-32-01. LEAK CHECKS GOOD. - [SDR UIEA2025080501089](https://openairdocs.org/sdr/UIEA2025080501089.md): Engine · faulted · Aug 5, 2025 · N412MC · Boeing 74747UF · Engine (Turbine/Turboprop) > LOW SPEED REJECTED, #1 ENG 2.5-3.0 BELOW REQ T/O THRUST. EGT #1 EXCEED 952 SOLID RED BOX AROUND EGT. RED BOX FOR 5 SECONDS(

MX IN WORK WHILE IN AOGM FOR RTO ENG 1 EGT LIMIT. AOGM ETR: 10AUG25

) - [SDR UIEA2025071000895](https://openairdocs.org/sdr/UIEA2025071000895.md): Duct · cracked · Jul 14, 2025 · N450PA · Boeing 74746NF · Engine Collector/Tailpipe/Nozzle > NO. 2 ENG - RH C-DUCT OUTER GROOVE UPPER AREA CRACK FOUND. FRAME CRACK AREA REPAIRED AS PER ATLAS AIR EA NO.EA-1978A227 REV.0. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025071000886](https://openairdocs.org/sdr/UIEA2025071000886.md): Duct · chafed · Jul 14, 2025 · N450PA · Boeing 74746NF · Engine Collector/Tailpipe/Nozzle > NR 4 ENG RH C-DUCT FWD BLOWOUT DOOR L/E FOUND CHAFING. CHAFING AREA REPAIRED AS PER ST ENGINEERING CMM 78-32-09 REPAIR 5. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025061200758](https://openairdocs.org/sdr/UIEA2025061200758.md): Engine · failed · Jun 12, 2025 · N476MC · Boeing 74747UF · Engine (Turbine/Turboprop) > ENGINE 1 DUAL FIRE LOOP INDICATION CONFIRMED BY VISUAL OF FLAME COMING FROM INTAKE AND SMOKE OUT EXHAUST AFTER DISCHARGING BOTH FIRE BOTTLES. C/W ENGINE CHANGE PER TASK CARD 71-099-02-01. NO FURTHER DEFECTS NOTED. ORIGINAL SUBMISSION DATE; 6/16/2025. - [SDR KCSA2025041716](https://openairdocs.org/sdr/KCSA2025041716.md): Nacelle · damaged · Apr 17, 2025 · N768CK · Boeing 747481F · Nacelle/Pylon, Main Frame > LANDING HARD ENGINE POD STRICK #4. FOUND DAMAGE ON ENGINE 4 INBOARD FAN COWL AND THRUST REVERSER, OUTBOARD FAN AND THRUST REVERSER INSPECTED ENGINE 4 IAW B747-400 AMM 05-51-06 NO OTHER DAMAGE FOUND. REPAIRED AND COMPLIED WITH DAMAGE FOUND IAW 500 14052 AND SR - [SDR UIEA2025021300133](https://openairdocs.org/sdr/UIEA2025021300133.md): Engine · sparks · Feb 13, 2025 · N482MC · Boeing 747443 · Engine (Turbine/Turboprop) > PASSENGERS & FLIGHT ATTENDANT SAW SPARKS COMING FROM THE FAN BLADES ON ENG 03 & 04(

INSPECTED FAN BLADES ABRADE SHROUD ENG INLET AND EXH BLADES ON ENG 3 AND 4 IAW 747 FIM 71-00 FT 104 SHT 1, NO DEFECTS FOUND AND FLIGHT CREW REPORTED NO ANOMOLIES. A/C OK FOR - [SDR 9WGA2025021234403](https://openairdocs.org/sdr/9WGA2025021234403.md): Case · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Turbine Engine Air Inlet Section > ENGINE #4 FAN CASE FOUND SLIGHTLY CORROSION AT 04:00 TO 06:00 O'CLOCK UNDER OGV #40 TO #44. REMOVED LIGHT CORROSION AT ENG #4 FAN CASE AT 04:00 06:00 O'CLOCK MAT. REMOVED 0.002, FOUND WITHIN LIMITS IAW B747-400. CFA-80C2 E/M GEK 92451 REV. 99 12/01/2024, ESM - [SDR 9WGA2025021234404](https://openairdocs.org/sdr/9WGA2025021234404.md): Case · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Turbine Engine Air Inlet Section > ENGINE #3 FAN CASE FOUND SLIGHTLY CORROSION BETWEEN 04:00TO 06:00 O'CLOCK. REMOVED CORRSOION AT ENGINE #3 FAN CASE BTW 0400 TO 0600 O'CLOCK, MATERIAL REMOVED 0.003, IAW CF6-30C2 W/M GEK 924 51 REV. 99, 12/01/2024 CFM 72-22-01. ALODINED AND PRIMED AREA IAW B7 - [SDR 9WGA2025021234405](https://openairdocs.org/sdr/9WGA2025021234405.md): Case · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Turbine Engine Air Inlet Section > ENG #2 FAN CASE FOUND CORROSION UNDER MID OUTER LINER SEGMENT #3. REMOVED CORROSION AT ENG #2 FAN CASE, UNDER MID OUTER LINER SEGMENT #3. FOUND WITHIN LIMITS IAW B747-400 CF6-80C2 EM GEK 92451 REV 99, 12/01/2024, ESM 72-22-01, MAT. REMOVED 0.002. AIRCRAFT AP - [SDR UIEA2025012300105](https://openairdocs.org/sdr/UIEA2025012300105.md): Engine · making metal · Jan 23, 2025 · N473MC · Boeing 74745E · Engine (Turbine/Turboprop) > 1.5 HOURS INTO FLIGHT, #4 OIL QUANTITY DROPPED TO 6 QTS. AT ABOUT 2.5 HOURS, QTY SHOWED 0. AT ABOUT 3 HOURS, OIL PRESSURE DROPPED TO 13 PSI AT LANDING. STATUS MESSAGE ENG 4 OIL PRESS(

CHECK OIL IND, IND AT 0, VISUALLY CHECK OIL CAPACITY, CAPACITY AT 0. - [SDR UIEA2025011900089](https://openairdocs.org/sdr/UIEA2025011900089.md): Packing · leaking · Jan 19, 2025 · N487MC · Boeing 74745EF · Engine Oil System (Airframe Furnished) > ENG 2 OIL QTY DROPPED FROM 20Q TO 9Q, FOLLOWED BY A DROP FROM 8 TO 7 TO 6 ABOUT EVERY HALF HOUR. FOUND ENG #2 LOW PRESSURE WARNING SWITCH PACKING INSTALLED IN WRONG POSITION. INSTALLED NEW PACKING PER AMM 79-33-01 PERFORMED ENG #2 POWER PER AMM 71-00-00. AMM - [SDR 9WGA202412234401](https://openairdocs.org/sdr/9WGA202412234401.md): Engine · surges · Dec 20, 2024 · N344KD · Boeing 747446 · Engine (Turbine/Turboprop) > AIR RETURN TO ORD DUE TO ENGINE 1 SURGE, ALL INDICATIONS ABNORMAL. QRH PERFORMED, ENGINE SHUT DOWN. NO EICAS ALERTS OR STATUS MESSAGES. - [SDR UIEA2024110501080](https://openairdocs.org/sdr/UIEA2024110501080.md): Engine · power loss · Nov 5, 2024 · N406KZ · Boeing 7474KZF · Engine (Turbine/Turboprop) > EGT ROLLBACK #4 ENGINE SHORTLY AFTER TAKE-OFF. AIRCRAFT DIVERTED TO ICN.(

R/R #4 ENG C/W ENG RUN UP & LEAK CHECK NORMAL PER AMM 71-00-00, 71-00-02 & TASK CARD 71-099-02-01

) - [SDR 9WGA2026032635609](https://openairdocs.org/sdr/9WGA2026032635609.md): Acoustic Liner · corroded · Oct 13, 2024 · N356KD · Boeing 747446 · Engine (Turbine/Turboprop) > DURING HEAVY MAINTENANCE CHECK CORROSION SIGNS UNDER ACOUSTIC LINER ENGINE #2 POSITION 3 AND 6 O'CLOCK (REPIAR). CORROSION IN ACOUSTIC INNER LINER ENGINE #2 POSITION 3 AND 6 O'CLOCK WAS CLEANED IAW B747-400F AMM 51-00-53. THE AIRCRAFT WAS APPROVED FOR RETURN - [SDR IPXA2024082314905](https://openairdocs.org/sdr/IPXA2024082314905.md): Indication Sys · false indication · Aug 23, 2024 · N583UP · Boeing 7474R7F · Turbine Engine Oil System > OPEN, DURING CRUISE FLIGHT #4 ENG. OIL QUANITY DROPPED TO ZERO. OVER THE NEXT 20 MINUTES THE OIL PRESSURE DROPPED STEADILY REACHIMG 10 PSI(RED ZONE) THEN IT FLUCTUATED BETWEEN 10-13 BEFORE STEADY RED WE SHU C/W MASTER CHIP DETECTOR INSPECTION REFERENCE: TASK - [SDR IPXA2024082414905](https://openairdocs.org/sdr/IPXA2024082414905.md): Oil System · low pressure · Aug 23, 2024 · N583UP · Boeing 7474R7F · Turbine Engine Oil System > DURING CRUISE FLIGHT #4 ENG. OIL QUANITY DROPPED TO ZERO. OVER THE NEXT 20 MINUTES THE OIL PRESSURE DROPPED STEADILY REACHIMG 10 PSI(RED ZONE) THEN IT FLUCTUATED BETWEEN 10-13 BEFORE STEADY RED WE SHU #4 ENGINE CHANGED.C/W MASTER CHIP DETECTOR INSPECTION REFER - [SDR UIEA2024071400670](https://openairdocs.org/sdr/UIEA2024071400670.md): Oil System · pressure loss · Jul 14, 2024 · N454PA · Boeing 74746NF · Engine Oil Pressure > ENG 1 IFSD (OIL QTY & PRESSURE LOSS). R & R #1 ENG PER WO 133424. C/W ENG IDLE RUN IAW AMM 71-00-00, OPS CHECK GOOD. NO FAULTS OR LEAKS. - [SDR UIEA2024041400274](https://openairdocs.org/sdr/UIEA2024041400274.md): Engine · leaking · Apr 13, 2024 · N450PA · Boeing 74746NF · Engine (Turbine/Turboprop) > NR 4 ENGINE OIL QUANTITY DROPPED TO 2 QTS IN FLIGHT. C/W WO #128800, R & R NR 4 ENGINE, OPS & LEAK CHECKED NORMAL IAW W/C # 71-099-02-01. - [SDR IPXA2024040293945](https://openairdocs.org/sdr/IPXA2024040293945.md): Actuator · corroded · Apr 2, 2024 · N580UP · Boeing 747428F · Engine Bleed Air System > *** EMERGENCY DECLARED *** #1ENG FAILURE SHORT FINAL SECURED. ON GND _N1 ROLLED BACK ACTUATOR INSTALLATION CHECK OK AS RII INSPECTOR - [SDR U2RA2024022000003](https://openairdocs.org/sdr/U2RA2024022000003.md): Relay · broken · Feb 19, 2024 · N919CA · Boeing 747428 · Fire Protection System Wiring > ENGINE INDICATING CREW ALERTING SYSTEM (EICAS) MESSAGE "FIRE MN DK MID". - BENT PIN DISCOVERED ON LOOP B RELAY R5168 CAUSING INTERMITTANT LOOP B FIRE WARNING INDICATION. REPLACED RELAY R5168. LOOP B FUNCTIONS NORMAL PER AIRCRAFT MAINTENANCE MANUAL 26-10-00 - [SDR U2RA2024031500004](https://openairdocs.org/sdr/U2RA2024031500004.md): Battery · no test · Feb 19, 2024 · N952CA · Boeing 747428 · Emergency Exits > UPPER DECK RIGHT EMERGENCY DOOR BATTER TEST FAIL - REMOVED AND REPLACED BATTERY PACK IN ACCORDANCE WITH MAINTENANCE MANUAL. OPS CHECK OK. - [SDR U2RA2024012400002](https://openairdocs.org/sdr/U2RA2024012400002.md): Panel · missing · Jan 24, 2024 · N537CA · Boeing 747446F · Horizontal Stabilizer, Plate/Skin > HORIZONTAL STABILIZER FIXED PANEL MISSING UPON LANDING. FABRICATED AND INSTALLED TEMPORARY PANEL PER FLIGHT VEHICLES CONSULTING ENGINEERING ORDER 24013-1 REVISION IR DATED 01/23/2024. DATA APPROVED ON FAA FORM 8110-3 DATED 01/24/2024 BY R. MANASHI DERT 87627 - [SDR UIEA2024122301181](https://openairdocs.org/sdr/UIEA2024122301181.md): Oil Filter · warning message · Dec 23, 2023 · N439GT · Boeing 747409F · Turbine Engine Oil System > ON TAKEOFF ROLL "ENG 4 OIL FILT" EICAS. LOW SPEED 40 KIAS ABORT.(

REPLACED ENG OIL FILTER PER AMM 79-28-08 T/S PER FIM 79-00 FIG 103 NO DEFECTS FOUND. AIRCRAFT OK FOR SERVICE.

) - [SDR U2RA2023081100037](https://openairdocs.org/sdr/U2RA2023081100037.md): Cartridge · no test · Aug 8, 2023 · N952CA · Boeing 747428 · Emergency Exits > DURING A-CHECK, ACCOMPLISHMENT OF SCHEDULED BOEING 747 TASK CARD 52-023-05-01, LEFT HAND UPPER DOOR, BATTERY PACK M7037 FAILED TO TEST ON PRESS-TO-TEST SWITCH. WORK ACCOMPLISHED ON (CRS# HAIY901D) HANGAR 901, PROJECT H1-23-05-00084, W/O 18590, NR 0046. - [SDR U2RA2023081100038](https://openairdocs.org/sdr/U2RA2023081100038.md): Cartridge · no test · Aug 8, 2023 · N952CA · Boeing 747428 · Emergency Exits > DURING A-CHECK, ACCOMPLISHMENT OF SCHEDULED BOEING 747 TASK CARD 52-023-05-01, RIGHT HAND UPPER DOOR, BATTERY PACK M7038 FAILED TO TEST ON PRESS-TO-TEST SWITCH. WORK ACCOMPLISHED ON (CRS# HAIY901D) HANGAR 901, PROJECT H1-23-05-00084, W/O 18590, NR 0047. - [SDR U2RA2023081100039](https://openairdocs.org/sdr/U2RA2023081100039.md): Cartridge · out of tolerance · Aug 8, 2023 · N952CA · Boeing 747428 · Emergency Exits > DURING A-CHECK, ACCOMPLISHMENT OF SCHEDULED BOEING 747 TASK CARD 52-023-05-01, LEFT HAND UPPER DOOR, DISCHARGE CARTRIAGE FOR THE PRESSURE VESSEL M7039 FAILED THE RESISTANCE CHECK. WORK ACCOMPLISHED ON CRS# HAIY901D) HANGAR 901, PROJECT H1-23-05-00084, W/O 1859 - [SDR U2RA2023073000037](https://openairdocs.org/sdr/U2RA2023073000037.md): Bulb · inoperative · Jul 27, 2023 · N919CA · Boeing 747428 · Emergency Lighting > DURING SCHEDULED A-CHECK MAINTENANCE, AN OPERATIONAL CHECK OF THE EMERGENCY EXIT LIGHT SYSTEM RESULTED IN FINDING OF INOPERATIVE LIGHT BULB AT THE UPPER DECK STAIRS POSITION. REMOVED AND REPLACED LAMP. OPS GOOD IAW AMM 33-51-00. OPS GOOD. - [SDR U2RA2023042400021](https://openairdocs.org/sdr/U2RA2023042400021.md): Bulb · inoperative · Apr 24, 2023 · N936CA · Boeing 747446 · Emergency Lighting > EMERGENCY EXIT AISLE LIGHT (CEILING MOUNTED) IN UPPER-DECK NEXT TO AFT-MOST SUPERNUMERARY SEAT ROW, IS INOP. RELAMPED IAW B747 AMM 33-51-02. OPS CHECK GOOD - [SDR U2RA2023041100020](https://openairdocs.org/sdr/U2RA2023041100020.md): Unknown · unknown · Apr 12, 2023 · N729CA · Boeing 747412 · Fuel Storage > FUEL VENTED OUT OF LEFT WING VENT. WING OVER FILL LIGHT ILLUMINATED. - DEFERRED AUTO REFUELING SYSTEM PER MINIMUM EQUIPMENT LIST 28-21-01-01. - [SDR U2RA2023040300018](https://openairdocs.org/sdr/U2RA2023040300018.md): Unknown · unknown · Mar 31, 2023 · N952CA · Boeing 747412 · Wing, Control Surfaces > DURING ROUTINE INSPECTION, FOUND RIGHT INBOARD MID FLAP WITH GROUND DAMAGE (DENTED). ACCOMPLISHED A TIME LIMITED MAJOR REPAIR PER FLIGHT VEHICLES CONSULTING ENGINEERING ORDER 23069-1. DATA APPROVED ON FAA FORM 8110-3 DATED 3/31/2023 BY R. MANASHI DERT-876272 - [SDR U2RA2023022000007](https://openairdocs.org/sdr/U2RA2023022000007.md): None · none · Feb 17, 2023 · N952CA · Boeing 747428 · Detection System > RECEIVED INTERMITTANT FIRE CARGO AFT WARNING MESSAGE DURING GO AROUND - INSPECTED AFT CARGO FOR SMOKE/FIRE AND FOUND NONE. FIRE DETECTION SYSTEM TEST ACCOMPLISHED PER AIRCRAFT MAINTENANCE MANUAL 26-16-00 WITH NOW DEFECTS NOTED. - [SDR U2RA2023020600006](https://openairdocs.org/sdr/U2RA2023020600006.md): Not Reported · not reported · Feb 4, 2023 · N952CA · Boeing 747428 · Emergency Lighting > RIGHT SIDE EMERGENCY EXIT DOOR "BATTERY OK" TEST LAMP IS INOPERATIVE - RESEATED BATTERY, CLEANED BATTERY CONNECTION, VERIFIED PROPER VOLTAGE, OPS CHECK SATISFACTORY PER AMM 52-23-14. - [SDR U2RA2023011000001](https://openairdocs.org/sdr/U2RA2023011000001.md): Fire Warning · false activation · Jan 6, 2023 · N952CA · Boeing 747428 · Fire Detection > MAIN DECK FIRE WARNING, MASTER WARNING AND FIRE BELL ON TAKEOFF ROLL. REJECTED TAKEOFF. FIRE BELL CONTINUED TO SOUND AFTER SILENCED. - NO FIRE PRESENT. DISCOVERED MOISTURE IN CARD FILE M5206 CAUSED BY PALLETS BEING LOADED WET AND WATER DRIPPING INTO THE ELE Next page: https://openairdocs.org/engine/ge-cf6-80c2b1f/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 = 'CF680C2B1F' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/ge-cf6-80c2b1f/reports --- 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.