# Service difficulty reports: Rolls-Royce TRENT XWB-84

A list on [Rolls-Royce TRENT XWB-84](https://openairdocs.org/engine/rolls-royce-trent-xwb-84.md).

Newest first. General aviation reporting is voluntary.

- [SDR DALA2026102805926](https://openairdocs.org/sdr/DALA2026102805926.md): Anti-Ice Valve · failed · Oct 23, 2026 · N525DN · Airbus A350941 · Engine Anti-Icing System
  > DIVERTED TO LAX DUE TO NR 2 ENGINE ANTI-ICE VALVE FAILED CLOSED MESSAGE. REPLACED THE ANTI-ICE PRSOV. (LP# 9397404)
- [SDR DALA2026051202969](https://openairdocs.org/sdr/DALA2026051202969.md): Engine · stalled · May 10, 2026 · N518DZ · Airbus A350941 · Engine (Turbine/Turboprop)
  > FLIGHT CREW REPORTED ON TAKEOFF POSSIBLE LIGHTNING STRIKE WITH LEFT ENGINE STALL MESSAGE. T/S LEFT ENGINE LIGHTNING INDUCED STALL MESSAGE PER A350TSM. PERFORMED BOROSCOPE INSPECTION ON LEFT ENGINE WITH NO RESTRICTIVE DAMAGE NOTED. (L/P# 1586468, 1586423, 158
- [SDR DALA2026040602191](https://openairdocs.org/sdr/DALA2026040602191.md): Pump · damaged · Apr 3, 2026 · N513DZ · Airbus A350941 · Turbine Engine Oil System
  > AIRCRAFT DIVERTED TO ANF (ANTOFAGASTA, CHILE) AFTER THE FLIGHT CREW PERFORMED A RIGHT ENGINE SHUTDOWN DUE TO LOW OIL PRESSURE. CORRECTIVE ACTION: INSPECTED NR 2 ENGINE PRESSURE FILTER, SCAVENGE FILTER AND ODMS. FOUND FERROUS METAL ON SENSORS. REPLACED NR 2 ENG
- [SDR DALA2026033102112](https://openairdocs.org/sdr/DALA2026033102112.md): Anti-Ice Valve · faulted · Mar 27, 2026 · N519DN · Airbus A350941 · Engine Anti-Icing System
  > AIRCRAFT DIVERTED TO LAX DUE TO RIGHT ENGINE STATOR ANTI-ICE VALVE CLOSED FAULT. FLIGHT UNABLE TO CONTINUE DUE TO ICING. PERFORMED RIGHT ENGINE FADEC SYSTEM TEST PER A350AMM, TEST OK AND MESSAGE CLEARED. (LP# 8376425)
- [SDR DALA2026032401981](https://openairdocs.org/sdr/DALA2026032401981.md): Eec · faulted · Mar 23, 2026 · N574DZ · Airbus A350941 · Fuel Controlling System
  > ATB- AIRCRAFT RETURNED TO SEA DUE TO RIGHT ENGINE STATOR ANTI-ICE VALVE CLOSED FAULT. FLIGHT CANNOT CONTINUE DUE TO ICING. REPLACED #2 ENGINE EEC. REMOVED WATER FROM P30 SENSOR TUBE. CARRIED OUT ENGINE OPERATIONAL TEST. NO FAULTS. OK FOR SVC. (LP# 8423850, 8
- [SDR DALA2026022601368](https://openairdocs.org/sdr/DALA2026022601368.md): Engine · odor · Feb 24, 2026 · N508DN · Airbus A350941 · Engine (Turbine/Turboprop)
  > ON TAXI OUT AFTER BOTH ENGINES RUNNING PILOTS NOTIFIED AN ODOR THEN CONFIRMED WITH FLIGHT CREW THROUGH THE AIRCRAFT. PERFORMED T/S PER TSM A350 21-21-XX-54001-421A-A. UPON RUNNING THE NBR 1 ENG, AN OIL ODOR WAS DETECTED. INSPECTED ENG AND AREA NO LEAK NOTED. P
- [SDR DALA2026010200011](https://openairdocs.org/sdr/DALA2026010200011.md): Pump · failed · Jan 1, 2026 · N507DN · Airbus A350941 · Hydraulic Pump (Electric/Engine), Main
  > ATB DUE TO ENGINE 2 GREEN HYDRAULIC PUMP FAILURE. REPLACED NUMBER 2 GREEN EDP AND FILTERS. (LP 8122410)
- [SDR DALA2025120108773](https://openairdocs.org/sdr/DALA2025120108773.md): Eec · faulted · Nov 27, 2025 · N508DN · Airbus A350941 · Fuel Controlling System
  > DIVERTED TO SEA DUE TO RIGHT ENGINE THRUST LEVER FAULT MESSAGE. CORRECTIVE ACTION: C/W RIGHT ENGINE FADEC SYSTEM TEST, NO FAULTS NOTED. REPLACED NR 2 ENGINE EEC, LOADED SOFTWARE AND EEC 2A, 2B FADEC SYSTEM AND EEC CONFIGURATION CHECK IAW A350 AMM 73-21. REMOVE
- [SDR DALA2025112508594](https://openairdocs.org/sdr/DALA2025112508594.md): Warning Message · illuminated · Nov 23, 2025 · N502DN · Airbus A350941 · Engine Anti-Icing System
  > ATB - A/C RETURNED TO ATL DUE TO LEFT ENGINE STATOR ANTI-ICE ECAM MESSAGE. UNABLE TO AVOID ENROUTE ICING CONDITIONS. REPLACED LEFT ENGINE EEC. (LP# 8042352)
- [SDR 2025FA0000566](https://openairdocs.org/sdr/2025FA0000566.md): Hpc · dented · Aug 25, 2025 · N21806 · Turbine Engine Compressor Section
  > FOUND NUMEROUS IMPACT DAMAGE TO THE LEADING AND TRAILING EDGES OF THE BLADES ON HPC STAGE 1-3 ROTOR DISC (P/N: FW81410, S/N: 1081) WHICH EXCEEDED CIRM LIMIT AND REQUEST TV298274. THE TV298274 WAS REJECTED BY RR DUE TO THE REPORTED DAMAGE ON THE COMPONENT WAS E
- [SDR 2025FA0000568](https://openairdocs.org/sdr/2025FA0000568.md): Shaft · corroded · Aug 25, 2025 · N26028 · Engine (Turbine/Turboprop)
  > CORROSION PITTING REMAINED AT SHANK NUT LOCATION HOLE AT LOCATION 3 OF IPC REAR STUB SHAFT (P/N: KH30620, S/N: RRDSFTEBAP706) AFTER MACHINED TO THE MAXIMUM LIMIT IAW RR ENGINE MANUAL FRSC383. THE PART WAS REJECTED BY RR TV255302 BECAUSE THE REPAIR WOULD AFFEC
- [SDR 2025FA0000570](https://openairdocs.org/sdr/2025FA0000570.md): Shaft · corroded · Aug 25, 2025 · N21104 · Engine (Turbine/Turboprop)
  > HAESL REPORTED THAT THE CORROSION PITTING WAS STILL REMAIN AT SHANK NUT 30 HOLE AND FACE 29 OF IPC REAR STUB SHAFT (P/N: KH43981, S/N: RRDSFTEBAP293) AFTER MACHINING TO THE MAX REPAIR LIMIT IAW RR REPAIR SCHEME FRSC481. THE PART WAS REJECTED BY RR TV286844 BEC
- [SDR DALA2025082606340](https://openairdocs.org/sdr/DALA2025082606340.md): Pump · faulted · Aug 25, 2025 · N508DN · Airbus A350941 · Turbine Engine Oil System
  > RETURNED TO HND DUE TO LEFT ENGINE OIL QUANTITY AT ZERO. OIL PRESSURE AND TEMPERATURE GOOD. R & R LEFT ENGINE OIL PUMP AND SCAVENGE FILTER. SERVICED LEFT ENGINE OIL TANK. (LP# 7295079)
- [SDR 2025FA0000565](https://openairdocs.org/sdr/2025FA0000565.md): Shaft · corroded · Aug 9, 2025 · Engine (Turbine/Turboprop)
  > CORROSION PITTING REMAINED ON THE SHANK NUT HOLE LOCATION 30 OF ESN 26028 IPC REAR STUB SHAFT AFTER MACHINED TO THE MAXIMUM LIMIT IAW RR EM FRSC383. PART WAS REJECTED BY RR TV255302 (CSN: 2473 SDC) WHICH IS RETIRED BEFORE ITS DECLARED LIFE IN TLM (7123 SDC).
- [SDR DALA2025072205513](https://openairdocs.org/sdr/DALA2025072205513.md): Engine · unknown · Jul 18, 2025 · N502DN · Airbus A350941 · Engine (Turbine/Turboprop)
  > SHIP 3502 - RTB - DUE TO PASSENGER AT SEAT 20J NOTICED SMOKE COMING FROM THE BOTTOM OF THE #2 ENGINE AND ADVISED THE FA. THE FA CONTACTED THE FLIGHT DECK AND THE TAKEOFF WAS REJECTED. PERFORMED GVI AND RAN #2 ENGINE FOR 5 MINS. CONFIRMED NO SMOKE FROM EXHAUS
- [SDR HK0Y2025071600500](https://openairdocs.org/sdr/HK0Y2025071600500.md): Shaft · corroded · Jul 16, 2025 · N21076 · Turbine Engine Compressor Section
  > HAESL REPORTED CORROSION PITTING ON LPC SHAFT OF ESN 21607, RROYCE INSTRUCTED TRIAL REPAIR BY DRESSING AND BLUE BED CHECK. HOWEVER, HAESL HAS NO CAPABILITY TO PERFORM THE BLUE BED CHECK. IN ACCORDANCE WITH TIME LIMITS MANUAL TASK 05-10-01-800-801, THE DECLARE
- [SDR DALA2025080105758](https://openairdocs.org/sdr/DALA2025080105758.md): O-Ring · leaking · Jul 6, 2025 · N574DZ · Airbus A350941 · Engine Fuel Distribution
  > CREW DIVERTED TO ANC DUE TO REPORTED FUEL LEAK SUSPECTED ECAM MESSAGE WITH 8,000LB BELOW PLANNED BURN. REPLACED O-RINGS FOR ENGINE CORE FUEL TUBES P/N FW83547 AND FW83548. PERFORMED LEAK CHECK AND RTS. (LP# 7569084)
- [SDR DALA2025070905187](https://openairdocs.org/sdr/DALA2025070905187.md): Pump · leaking · Jul 5, 2025 · N575DZ · Airbus A350941 · Turbine Engine Oil System
  > SHIP 3575 - ATB - DUE TO NUMBER 2 ENGINE OIL QUANTITY DROPPING TO ZERO AT FL170. OIL PRESSURE AND TEMPERATURE ARE NORMAL. CORRECTIVE ACTION: MEL WAS APPLIED; R/R NUMBER 2 ENGINE OIL PUMP PER A350 AMM 79-22-61. (LP# 7476499)
- [SDR DALA2025052804113](https://openairdocs.org/sdr/DALA2025052804113.md): Pump · failed · May 27, 2025 · N523DN · Airbus A350941 · Engine Oil System (Airframe Furnished)
  > SHIP 3523 -ATB- DECLARED AN EMERGENCY AND RETURNED TO HND DUE TO LEFT ENGINE LOSS OF OIL QUANTITY AND FLUCTUATION OIL PRESSURE JUST AFTER TAKEOFF. CORRECTIVE ACTION: REPLACED LEFT ENGINE OIL PUMP, QUANTITY/TEMP SENSOR AND PERFORMED HIGH POWER RUN CHECK OUTS. (
- [SDR 2025FA0000342](https://openairdocs.org/sdr/2025FA0000342.md): Hose · deteriorated · May 6, 2025 · N21607 · Fuel Controlling System
  > 2-OFF FUEL HOSES (AT POSITION 2 & 3) ON ESN 21607 WERE FOUND SHRINKAGE/NECKING. RT MAIN FUEL HOSE ASSEMBLY. BOTH FUEL HOSES WERE CLEANED IAW TV271188 (FLUSH WITH DE-IONIZED WATER). R & R INITIAL LABORATORY ANALYSIS RESULT INDICATED THAT THE HOSES WERE CLEA
- [SDR DALA2023080706373](https://openairdocs.org/sdr/DALA2023080706373.md): Unknown · unknown · Aug 5, 2023 · N506DN · Airbus A350941 · Engine Fuel Distribution
  > SHIP 3506 -DIV- DIVERSION TO SEA DUE TO RIGHT ENGINE FUEL LEAK MESSAGE. CORRECTIVE ACTION: INSPECTED ENGINE, NO SIGNS OF ANY LEAKS. REMOVED AND REPLACED FUEL FLOW TRANSMITTER DUE TO FAULTING ON THIS FLIGHT LEG. OPS CHECKS OK. (LP 9719476)
- [SDR DALA2023080706374](https://openairdocs.org/sdr/DALA2023080706374.md): Unknown · unknown · Aug 5, 2023 · N516DN · Airbus A350941 · Engine Bleed Air System
  > SHIP 3516 - DIV - INTO DTW DUE TO AIR ENG 2 BLEED FAULT. CORRECTIVE ACTION: REPLACED #2 ENG FAN AIR VALVE, EXCHANGER OUTLET TEMP SENSOR AND BOMU. (LP 4987643)
- [SDR 2023F00215](https://openairdocs.org/sdr/2023F00215.md): Plug · wrong part · Jun 29, 2023 · Turbine Engine Accessory Drive
  > EGB WAS RECEIVED FOR A MAINTENANCE OPERATION NOT RELATED TO THIS EVENT, FROM CUSTOMER. THIS EGB WAS NEVER BEFORE BY THE REPAIR STATION. DURING DISASSEMBLY, IT WAS OBSERVED THAT THE EGB HAD TWO OIL PLUGS - P/N: MS9954-06 (WHERE OIL PLUGS P/N:FK18240 OR P/N:M
- [SDR DALA2023041202859](https://openairdocs.org/sdr/DALA2023041202859.md): Unknown · unknown · Apr 8, 2023 · N502DN · Airbus A350941 · Ice/Rain Protection System
  > SHIP 3502 -DIV- TO LAX DUE TO THE LEFT ENGINE ANTI ICE VALVE FAILED CLOSED. CORRECTIVE ACTION: REPLACED LEFT ENGINE PRESSURE REGULATING VALVE. (LP 4079720)
- [SDR 2022F00328](https://openairdocs.org/sdr/2022F00328.md): None · none · Jul 20, 2022 · Powerplant System
  > ON 20 JULY 2022, IT WAS REPORTED THAT CHINA AIRLINES B-18910 HAD PERFORMED A RETURN TO GATE DUE TO FLIGHT CREW REPORT ENGINE 1 ESN21278 N3 VIBRATION REACHED 2.2 UNITS DURING TAXIING WHILE PERFORMING FLIGHT CI754 FROM SIN TO TPE. UPON TROUBLESHOOTING, IT WAS D
- [SDR HK0Y2022071502](https://openairdocs.org/sdr/HK0Y2022071502.md): Screw · failed · Jul 12, 2022 · Airbus A350941 · Turbine Engine Compressor Section
  > ASIANA AIRLINES TRENT XWB-84 ENGINE (ESN: 21377) HAS INDUCTED INTO HAESL DUE TO THE RELEASE OF HPC ANTI-ROTATION PLATE. ROLLS-ROYCE HAS PROVIDED INSTRUCTIONS FOR INVESTIGATION. THE DEFECTIVE SCREW & ANTI-ROTATION PLATE ARE BEING RETURNED TO ROLLS-ROYCE FOR FAI
- [SDR 2022FA0000292](https://openairdocs.org/sdr/2022FA0000292.md): None · none · Jun 1, 2022 · N828AX · Boeing 777 · Engine EGT/TIT Indicating System
  > EGT EXCEEDANCE ON RIGHT ENGINE AFTER TAKEOFF. CORRECTIVE ACTION: PERFORMED VISUAL INSPECT OF ENGINE NO DEFECTS NOTED & PERFORMED FIM 71-05-806 NO RELATED OVERTEMP MSGS ON MAT - ENGINE TO CONTINUE TO SERVICE. ACCOMPLISHED RIGHT ENG WASH TRENT 892 TRENT PER 77TC
- [SDR H31Y20220215](https://openairdocs.org/sdr/H31Y20220215.md): Gearbox · corroded · Jan 19, 2022 · Airbus A350941 · Turbine Engine Accessory Drive
  > DURING EGB ASSEMBLY, FITTER HAVE DETECTED A NEW DYNAMIC SEAL AFFECTED BY CORROSION. AFTER FIRST INVESTIGATION, 7 DYNAMIC SEALS ARE POTENTIALLY AFFECTED BY CORROSION ON 5 EGB DELIVERED: - 1 EGB P/N 90500-08: S/N EG1216 - 4 EGB P/N 90500-10: S/N EG1370,
- [SDR DALA2021022301065](https://openairdocs.org/sdr/DALA2021022301065.md): Pump · leaking · Feb 22, 2021 · N509DN · Airbus A350941 · Hydraulic Pump (Electric/Engine), Main
  > SHIP 3509 -HYD- GREEN HYDRAULIC SYSTEM WAS LOST ON DESCENT. THE CREW PERFORMED AN ALTERNATE GEAR EXTENSION. CORRECTIVE ACTION: THE NUMBER ONE EDP WAS FOUND LEAKING AT THE ROSAN FITTING ON THE SUCTION LINE. THE EDP WAS REPLACED. REPLACED LEFT CASE DRAIN FI
- [SDR DALA2020081102766](https://openairdocs.org/sdr/DALA2020081102766.md): Anti-Ice System · malfunctioned · Aug 9, 2020 · N509DN · Airbus A350941 · Engine Anti-Icing System
  > AIRCRAFT DIVERTED, DUE TO NR 1 ENGINE STATOR ANTI-ICE VALVE CLOSED FAULT, QRH STATES TO AVOID ICING, ENTIRE NORTHWEST COAST HAS ICING CONDITIONS. MAINTENANCE TROUBLESHOT FAULT IAW TSM, REPLACED THE LEFT ENGINE EEC AND CPIOM J21 IAW AMM. COMPLIED WITH HIGH PO
- [SDR HK0Y20200707108](https://openairdocs.org/sdr/HK0Y20200707108.md): Compressor Blade · cracked · Jul 3, 2020 · Turbine Engine Compressor Section
  > ENGINE INPUT FOR FIRST REFURBISHMENT DUE TO LIMITED LIFE PART (LLP). ON DISASSEMBLY, INSPECTION IDENTIFIED THAT 1-OFF IP COMPRESSOR STAGE 1 BLADE CRACKED 20.9 MM IN LENGTH ON DOVETAIL FRONT FACE NR 14 IN ROTOR SHAFT. THE BLADE REMAINS INTACT AND THERE IS N

## 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 = 'TRENTXWB84'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/rolls-royce-trent-xwb-84/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.