# Service difficulty reports: GE GENX-1B54

A list on [GE GENX-1B54](https://openairdocs.org/engine/ge-genx-1b54.md).

Newest first. General aviation reporting is voluntary.

- [SDR ASMF20260910201](https://openairdocs.org/sdr/ASMF20260910201.md): Warning Message · illuminated · Sep 2, 2026 · N438AM · Boeing 7879 · Fuel Controlling System
  > STATUS MESSAGE "ENG EEC C1 R", BY MESSAGE WAS PERFORMED TEST IAW FIM DMC B787-A-G73-20-F1-L8A-421A-A.
- [SDR CALA2026032314728](https://openairdocs.org/sdr/CALA2026032314728.md): Compressor · damaged · Mar 2, 2026 · N24972 · Boeing 7879 · Turbine Engine Compressor Section
  > PER CREW DEBRIEF, NR 1 ENG COMPRESSOR STALL, ENG SHUTDOWN IN FLIGHT. REMOVED AND REPLACED ENGINE 1.
- [SDR CALA2025082508085](https://openairdocs.org/sdr/CALA2025082508085.md): Engine · overtemp · Aug 23, 2025 · N12010 · Boeing 78710 · Engine (Turbine/Turboprop)
  > ENGINE LIMIT EXCEED CAUTION RT ENG EXCEEDED AN OPS LIMIT. AMBER LIMIT FOR EGT OR RED LINE FOR EGT, N1 AND N2, & RT ENG RUNNING. DB ELECT EC CHANNEL A. ENG NR 2 EGT OVERTEMP IAW AMM OVERTEMP INSP, EXCEEDANCE IS IN AREA A. HPT BOROSCOPE PERFORMED WITH NO F
- [SDR CALA2024071600502](https://openairdocs.org/sdr/CALA2024071600502.md): Control Valve · faulted · Jul 16, 2024 · N27958 · Boeing 7879 · Landing Gear Door Retract Section
  > AFTER TAKE OFF, NLG DOORS FAILED TO CLOSE AFTER L/G RETRACTION, RESULTING IN AIR TURNBACK. TROUBLESHOOTING REVEALED NO ISSUES, HOWEVER, DUE TO HISTORY, AIRLINE (TOMC) ELECETD TO FERRY FLIGHT BACK TO HOME BASE. PERFORMED FIM TASK 32-30-F1-05A-421A, NOSE L/G D
- [SDR 20240612001](https://openairdocs.org/sdr/20240612001.md): Case · misrepaired · Jun 12, 2024 · Boeing 7878 · Turbine Section
  > GENX HIGH PRESSURE TURBINE (HPT) STATOR CASES THAT MAY HAVE A FORWARD FLANGE DIAMETER UNDER MINIMUM REQUIREMENTS. SPECIFICALLY, THE HPT STATOR CASES AT ISSUE HAVE FORWARD FLANGE DIAMETER MEASUREMENTS THAT ARE 0.009" UNDER THE MINIMUM LIMIT IN THE INSTRUCTIONS
- [SDR 2024FA0000441](https://openairdocs.org/sdr/2024FA0000441.md): Turbine Blades · wrong part · Jun 11, 2024 · Turbine Section
  > THE GENX-1B ENGINE WITH SERIAL NUMBER 956339, PROPERTY OF UNITED AIRLINES UNDERWENT MAINTENANCE AT GE. (EM4Y). OUR ENGINE RECORDS INDICATE THIS ENGINE WAS ASSEMBLED WITH 49EA. BLADES P/N 2305M35G12 (NEW MATERIAL) AND 13EA. BLADES P/N 2305M35G05 (REPAIRED MATER
- [SDR CALA2024021600434](https://openairdocs.org/sdr/CALA2024021600434.md): Anti-Ice Valve · failed · Feb 15, 2024 · N29975 · Boeing 7879 · Engine Anti-Icing System
  > EICAS MSG ENG CORE ANTI.ICE L AT APPROX. 8000 FT. BOOSTER ANTI-ICE VALVE (LT ENG) FAILED CLOSED REF FIM DMC-B787-A-G75-00-F0-23A-421A-A. REFER TO LOG 7082521 FOR BOOSTER ANTI ICE ON LT ENG REF DMC-B787-A-G75-11-02 & PRESS SENSOR REF AMM G75-11-02. ACCOMP T
- [SDR CALA2022101802847](https://openairdocs.org/sdr/CALA2022101802847.md): Oil Cap · loose · Oct 18, 2022 · N12004 · Boeing 78710 · Engine Oil Storage (Airframe Furnished)
  > *EMERGENCY DECLARED* R ENG LOW OIL PRESSURE AROUND 10 - 15 CAUTION LIGTH CAME ON UPON ARRIVAL, FOUND OIL CAP TO BE NOT SECURED AFTER ADDING OIL, REPLACING MISSING OIL CAP, RAN ENGINE. NO FURTHER, OIL LOW PRESSURE MESSAGE. AIRCRAFT GOOD FOR SERVICE
- [SDR AALA202207296479](https://openairdocs.org/sdr/AALA202207296479.md): Fuel Control · inoperative · Jul 24, 2022 · N804AN · Boeing 100BOEING · Fuel Control/Turbine Engines
  > AIRCRAFT WAS GROUNDED: ABORTED TAKEOFF AT APPROXIMATELY 65 KNOTS DUE TO RIGHT ENGINE FAIL. **SUPPLEMENTAL REPORT FOR AALA202207266479: ACCOMPLISHED RIGHT ENGINE STALL INSPECTION PER B787-A-G71-00-00-32A-280A-A, AND BORESCOPE PER B787-A-G72-00-00-06B-280C-A. RE
- [SDR 2021F00172](https://openairdocs.org/sdr/2021F00172.md): Control Box · failed · Jun 6, 2021 · N966AM · Boeing 7878 · Fuel Controlling System
  > AFTER ENGINE START R ENG CONTROL MESSAGE ON STATUS. AIRCRAFT RETURNED TO PLATFORM DUE TO DURING RIGHT ENGINE START, THE RIGHT ENGINE CONTROL LIGHT TURNED ON. MAINTENANCE PERSONNEL PERFORMED BITE TO RIGHT EEC IAW FIM DMC-B787-A-G733-20-F1-51A-421-A-A, SHOWING F
- [SDR ASMF202106018](https://openairdocs.org/sdr/ASMF202106018.md): Control Box · failed · Jun 6, 2021 · N966AM · Boeing 7878 · Fuel Controlling System
  > AIRCRAFT RETURNED TO PLATFORM DUE TO DURING RIGHT ENGINE START, THE RIGHT ENGINE CONTROL LIGHT TURNED ON. MAINTENANCE PERSONNEL PERFORMED BITE TO RIGHT EEC IAW FIM DMC-B787-A-G733-20-F1-51A-421-A-A, SHOWING FAILURE CODE 732 466 52; SO THE RIGHT ENGINE CONFIGUR
- [SDR P5CA2021022200048](https://openairdocs.org/sdr/P5CA2021022200048.md): Tube · cracked · Feb 21, 2021 · N857GT · Boeing 74787UF · Turbine Engine Oil System
  > NUMBER 4 ENGINE OIL SYS STATUS MESSAGE, PRECAUTIONARY SHUTDOWN OF NR 4 ENG PER QRH. M12 - DURING A/C BACK TO GATE W/ REGARDS TO ENG NR 4 OIL SYS STATUS MSG FOUND OIL CAP NOT INSTALLED PROPERLY. (PERFORMED PRECAUTIONARY INSPECTION OF NR 4 ENG FUEL OIL HEAT EXC
- [SDR ASMF202101009](https://openairdocs.org/sdr/ASMF202101009.md): Engine · damaged · Nov 11, 2020 · N782AM · Boeing 7878 · Engine (Turbine/Turboprop)
  > IN ACCORDANCE WITH CNR 20201109014 OF REMOTE DIAGNOSTIC GE/CFM SYSTEM AT MEX, THE LEFT ENGINE HAD A TREND CHANGE IN COMPRESSOR EFFICIENCY, DUE TO PISTON RING DISTRESS. MAINTENANCE PERSONNEL PERFORMED THE LEFT ENGINE BORESCOPE INSPECTION OF THE OF THE HIGH PRE
- [SDR CALA2020103001227](https://openairdocs.org/sdr/CALA2020103001227.md): Oil System · malfunctioned · Oct 29, 2020 · N29981 · Boeing 7879 · Turbine Engine Oil System
  > ENGINE OIL SYSTEM RT ENGINE OIL PRESSURE IS LOW INDICATING PROBLEM WITH ENGINE OIL PUMP. FIM TASK REF: G73-90-F8-04A-421C-A CMC MESSAGE 7332682 FLIGHT STATUS: A INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: ELECTRONIC ENGINE CONTROL CHAN-A (RIGHT ENGINE) CMC MES
- [SDR ASMF2020090706](https://openairdocs.org/sdr/ASMF2020090706.md): Engine · damaged · Jul 11, 2020 · N128AM · Boeing 7879 · Engine (Turbine/Turboprop)
  > IAW CNR 20200621005706014 OF REMOTE DIAGNOSTIC GE/CFM SYSTEM AT MEX STATION, THE RT ENG INCREASE OF PARTICLES IN THE DMS SENSOR, BEING NECESSARY TO PERFORM PROCEDURE IAW AMM DMC-B787-A-G79-00-00-07B-343A-A. VERIFY IF A MESSAGE EXISTS RELATED TO THE DMS SENSOR
- [SDR ASMF20200604024](https://openairdocs.org/sdr/ASMF20200604024.md): Module · cracked · May 4, 2020 · N183AM · Boeing 7879 · Turbine Engine Compressor Section
  > IN ACCORDANCE WITH MAINTENANCE PROGRAM OF EO 8772009, DURING RT ENGINE TSN 15655, CSN 1764 BORESCOPE INSPECTION OF HPC STAGE 10 OGV PISTON RING WEAR, IT WAS FOUND THICKNESS OF 0.058" AND A CRACK ON THE CDN MODULE WALL BETWEEN THE STAGE 10 HPC SEAL AND THE HP C
- [SDR ASMF20200603023](https://openairdocs.org/sdr/ASMF20200603023.md): Deflector · cracked · Apr 12, 2020 · N438AM · Boeing 7879 · Turbine Engine Combustion Section
  > IN ACCORDANCE WITH MAINTENANCE PROGRAM 600 FC CHECK, IT WAS FOUND TWO AXIAL CRACKS WITH 0.268" AND 0.263", SPACED AT 0.305" BETWEEN CRACKS, LOCATED ON CUP 22 DOME DEFLECTOR OF LEFT ENGINE COMBUSTION CHAMBER. PERMITTED FOR 100 FC FOR A ONE TIME RECOMMENDATION
- [SDR ASMF20200602014](https://openairdocs.org/sdr/ASMF20200602014.md): Fuel Nozzle · damaged · Feb 26, 2020 · N183AM · Boeing 7879 · Fuel Injector Nozzle
  > DURING OVERNIGHT CHECK, IN BORESCOPE INSPECTION OF THE RIGHT ENGINE WAS DETECTED A MISSING MATERIAL AT HEAT SHIELD 3RD ROW OF COOLING HOLES. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING A MISSING MATERIAL AT RIGHT ENGINE HEAT SHIELD 3RD ROW OF COOLING HO
- [SDR AALA2019121879015](https://openairdocs.org/sdr/AALA2019121879015.md): Throttle · binding · Dec 16, 2019 · N804AN · Boeing 7878 · Power Lever
  > AIRCRAFT WAS GROUNDED: PILOT REPORTS LEFT THROTTLE VERY STIFF/BINDING WITH SCREECHING NOISE WHEN AUTO THROTTLES ON. MAINTENANCE REPORTS NUMBER 1 THROTTLE CONTROL LEVER FAILED FORCE CHECK. REMOVED AND REPLACED ENGINE THRUST MODULE IAW AMM 76-11-01. TEST AND OPS
- [SDR CA190322001](https://openairdocs.org/sdr/CA190322001.md): Heat Exchanger · leaking · Feb 13, 2019 · Boeing 7878 · Engine Oil Cooler
  > (CAN) FUEL LEAK STATIC OF 8 DROPS/MN ON #2 ENGINE MAIN FUEL OIL HEAT EXCHANGER. RESOLUTION R/H ENGINE FUEL/OIL EXCHANGER REPLACED IAWAMM B787-79-21-01,TESTED AND LEAK CHECK C/O IAW 71-00-00-,NIL FAULT FOUND.
- [SDR CA180530010](https://openairdocs.org/sdr/CA180530010.md): Seal · failed · May 29, 2018 · Boeing 7879 · Accessory Gearboxes
  > (CAN) LT ENGINE HAD OIL QUANTITY LOSS ONLY, PAN PAN DECLARED. LANDED WITHOUT INCIDENT. RESOLUTION L2 ACCESSORY GEARBOX SEAL REPLACED, IAW B787-A-G72-64-01-00A-720-A L2 VFSG. REPLACED IAW AMM B787-A-24-21-09-00-720A T/R REACTIVATED, IAW AMM 78-31-00-15G-730.
- [SDR CA180404018](https://openairdocs.org/sdr/CA180404018.md): Terminal Block · burned · Apr 3, 2018 · Boeing 7878 · Electrical Power System Wiring
  > (CAN) DURING A08 CHECK, LT ENG, L2 VFSG FEEDER CABLE FROM PYLON TO L2 VFSG TERMINAL BLOCK, T3 LUG FOUND BURNT AND LOOSE AT TERMINAL BLOCK ON VFSG. TERMINAL BLOCK COVER ALSO FOUND BURNT AT T3 LUG, ON THE VFSG. (TC# 20180404018).
- [SDR 2018FA0000105](https://openairdocs.org/sdr/2018FA0000105.md): Fuel Nozzle · cracked · Mar 15, 2018 · Fuel Injector Nozzle
  > UPON RECEIPT OF AN ENGINE SET OF GENX1B NOZZLES IT WAS DISCOVERED THAT THERE WAS A CRACK LIKE INDICATION ON UPSTREAM SIDE OF THE NOZZLE TIP OF THE SUPPORT. CRACK IS NOT PART OF NORMAL WEAR & TEAR OBSERVED ON NOZZLES RECEIVED FOR MAINTENANCE. CRACK IS THOUGHT
- [SDR CA180222017](https://openairdocs.org/sdr/CA180222017.md): Rib · cracked · Oct 16, 2017 · Boeing 7878 · Trailing Edge Flaps
  > (CAN) DURING THE CURRENT C-1 MAINTENANCE CHECK THE RT WING FIXED TRAILING EDGE FLAP SUPPORT BACK UP RIB, P/N 152Z6331, WAS FOUND CRACKED AT OUTBOARD AFT UPPER VERTICAL FLANGE. RESOLUTION ACCOMPLISHED REINFORCING ANGLES. REPAIR, PER VT-SAA EA 787-5750-46-A701
- [SDR CA150917002](https://openairdocs.org/sdr/CA150917002.md): Actuator · leaking · Aug 20, 2015 · Boeing 7878 · Stabilizer Actuator
  > (CAN) DURING WALK AROUND CHECK, FOUND OIL LEAKING FROM STABILIZER COMPARTMENT. FOUND HEAVY LEAK FROM HSTA. HSTA REPLACED IAW DMC-B787-A-27-41-07-00B-520A-A & DMC-B787-A-27-41-07-00B-720A-A.
- [SDR CA150618008](https://openairdocs.org/sdr/CA150618008.md): Combust Chamber · damaged · May 5, 2015 · Boeing 7878 · Turbine Engine Combustion Section
  > (CAN) NUMBER 2 ENG WAS ISSUED A CNR ON MAY 5TH, 2015 WITH A 7 DAY COMPLIANCE TO INSPECT IAW SB 72-0239. AN ENG CHANGE WAS PLANNED MAY 12TH TO CARRY OUT INSPECTION OFF WING. THIS WAS DONE TO MINIMIZE THE GROUND TIME FOR THE ACFT. INSPECTION REVEALED EARLY SIG
- [SDR ASMF201506001](https://openairdocs.org/sdr/ASMF201506001.md): Thrust Reverser · damaged · Apr 17, 2015 · N965AM · Boeing 7878 · Engine Thrust Reverser
  > DURING TRANSIT CHECK, IT WAS DETECTED THREE LIGHTNING STRIKES IN LT ENG LOCATED AT 03:00 POSITION. PERSONNEL PERFORMED A LIGHTNING STRIKE CONDITIONAL INSPECTION IAW DMC-B787-A-05-51-19-00C-280B-A, DETECTING TWO DAMAGES ON LT ENG OTBD REVERSER AT 09:00 POSITIO
- [SDR ZI3R2015013000001](https://openairdocs.org/sdr/ZI3R2015013000001.md): Fuel Nozzle · burned · Jan 27, 2015 · Boeing 7878 · Fuel Injector Nozzle
  > RECEIVED AN ENGINE SET OF GENX NOZZLES. UPON RECEIVING INSPECTION IT WAS NOTED THAT THE NOZZLE HAD BURN OUT ON THE SUPPORT.
- [SDR CA141219007](https://openairdocs.org/sdr/CA141219007.md): Wire Harness · chafed · Dec 19, 2014 · Boeing 7878 · Engine Indicating System Wiring
  > (CAN) ENGINE1 P9 FADEC HARNESS DAMAGED & CHAFING AGAINST LUBE & SCAVENGE PUMP RESOLUTION WIRE HARNESS W09. REPLACED IAW DMC-787-A-G73-22-01-00A-520A & DMC-B787-A-G73-22-01-00A-720A. TESTED OK.
- [SDR ZI3R2014111300001](https://openairdocs.org/sdr/ZI3R2014111300001.md): Fuel Nozzle · burned out · Nov 6, 2014 · Boeing 7878 · Fuel Injector Nozzle
  > RECEIVED AN ENGINE SET OF NOZZLES. ON RECEIVING INSPECTION IT WAS NOTED THAT TWO NOZZLES HAD BURNED OUT ON THE SUPPORT.
- [SDR ASMF2014061706011](https://openairdocs.org/sdr/ASMF2014061706011.md): Cowling · dented · May 1, 2014 · N966AM · Boeing 7878 · Engine Cowling System
  > DURING TRANSIT CHECK, DETECTED A DENT IN LT ENG INLET COWL NOSE AT 2:30 HRS POSITION OF 3 INCH LENGTH, 0.031 INCHES IN DEPTH, 1 INCH WIDE WITH MISSING MATERIAL & THREE SCRATCHES OF 0.875 INCHES, 2 INCHES & 1.5 INCHES OUT OF LIMITS IAW AMM DMC-B787-A-54-11-01-0
- [SDR CALA2013101600748](https://openairdocs.org/sdr/CALA2013101600748.md): Eec · malfunctioned · Oct 13, 2013 · N29907 · Boeing 7878 · Fuel Control/Turbine Engines
  > RT ENGINE SHUT DOWN AT GATE TRIED TO RELIGHT WHEN FUEL CONTROL SWITCH WAS IN CUTOFF. TROUBLE SHOT SYSTEM TO EEC. R &R EEC IAW DMC B787-A-G73-21-05-00A-720A- A. RAN ENG SHUT DOWN GOOD. NO DEFECTS NOTED AT THIS TIME. ROTABLE PARTS CHANGE WAS INDICATED TT 15

## 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 = 'GENX1B54'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/ge-genx-1b54/reports

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