# Service difficulty reports: GE CF6-80E1A4

A list on [GE CF6-80E1A4](https://openairdocs.org/engine/ge-cf6-80e1a4.md).

Newest first. General aviation reporting is voluntary.

- [SDR DALA2026091405118](https://openairdocs.org/sdr/DALA2026091405118.md): Anti-Ice Valve · broken · Sep 14, 2026 · N830NW · Airbus A330302 · Engine Anti-Icing System
  > DIV - INTO JFK DUE TO RIGHT ENGINE ANTI-ICE VALVE FAULT. REPLACED ANTI-ICE VALVE. (9139158) AIRCRAFT WAS GROUNDED.
- [SDR DALA2026082504818](https://openairdocs.org/sdr/DALA2026082504818.md): Engine · making metal · Aug 23, 2026 · N823NW · Airbus A330302 · Engine (Turbine/Turboprop)
  > DIVERTED TO YYT DUE TO MULTIPLE LEFT ENGINE STALLS. FOUND METAL IN THE TAILPIPE. REPLACED NR 1 ENGINE. OK FOR SERVICE. (8817440) AIRCRAFT WAS GROUNDED.
- [SDR DALA2026053003282](https://openairdocs.org/sdr/DALA2026053003282.md): Valve · faulty · May 30, 2026 · N823NW · Airbus A330302 · Pneumatic Distribution System
  > DIV - INTO JFK DUE TO DUAL ENG AIR BLEED FAULTS. REPLACED NR 1 ENGINE HARNESS 4246KS, NR 2 ENGINE THERMOSTAT, TR PRESS SUPPLY VALVE AND PRV 4001HA. OPS AND FLIGHT TEST GOOD. (8635299) AIRCRAFT WAS GROUNDED.
- [SDR DALA2026012600538](https://openairdocs.org/sdr/DALA2026012600538.md): Engine · power loss · Jan 25, 2026 · N831NW · Airbus A330302 · Engine (Turbine/Turboprop)
  > ATO, AT 40 KTS DUE TO ENG THRUST LOSS/ABNORMAL BLEED ECAM MSG DURING TAKE-OFF ROLL. TSM COMPLETED WITH NO FINDINGS. (8453818)
- [SDR DALA2025071505301](https://openairdocs.org/sdr/DALA2025071505301.md): Ecu · faulted · Jul 14, 2025 · N831NW · Airbus A330302 · Fuel Controlling System
  > A/C 3331 - DE - DECLARED EMERGENCY DUE TO #2 FADEC FAULTS. REPLACED ECU AND ROTOR/STATOR ASSEMBLY. OPS AND LEAK CHECKS GOOD.
- [SDR DALA2025031301961](https://openairdocs.org/sdr/DALA2025031301961.md): Compressor Wheel · damaged · Mar 9, 2025 · N831NW · Airbus A330302 · Turbine Engine Compressor Section
  > SHIP 3331 - ATB - PERFORMED AN AIR TURN BACK DUE TO LEFT ENGINE EXPERIENCING MULTIPLE COMPRESSOR STALLS ON CLIMB OUT. CORRECTIVE ACTION: DURING BORESCOPE INSPECTION FOUND SIGNIFICANT 5TH AND 6TH STAGE HPC DAMAGE. REPLACED ENGINE PER AMDS WORK CARD 7100-9904-01
- [SDR DALA2024072907525](https://openairdocs.org/sdr/DALA2024072907525.md): Starter · failed · Jul 28, 2024 · N830NW · Airbus A330302 · Engine Starter
  > SHIP 3330 - IFSD/DIV - DUE TO LEFT ENGINE IFSD AND DIV TO YVR FOR OIL LOSS EVENT. FOUND STARTER FAILED AND DAMAGED SEVERAL OIL TUBES. WILL REQUIRE GEARBOX TO BE DROPPED TO REPLACE ONE OF THE OIL TUBES. WILL ALSO REQUIRE STARTER, STARTER CARBON SEAL, AND START
- [SDR DALA2024072907548](https://openairdocs.org/sdr/DALA2024072907548.md): Starter · bound · Jul 27, 2024 · N825NW · Airbus A330302 · Engine Starter
  > SHIP 3325 ON WALK AROUND AT GATE OBSERVED NBR 2 ENGINE ROTATING WITH STARTER ENGAGED. NO START VALVE INDICATION ON ECAM. STARTER JAMMED. CORRECTIVE ACTION: R/R STARTER PER A330 AMM 80-11. OK FOR SERVICE. (5144274)
- [SDR DALA2024072307428](https://openairdocs.org/sdr/DALA2024072307428.md): Anti-Ice Valve · binding · Jul 22, 2024 · N828NW · Airbus A330302 · Engine Anti-Icing System
  > DIV - INTO JFK DUE TO ENG 2 ANTI ICE VALVE CLOSED MSG WHEN SELECTED ON. CORRECTIVE ACTION: FORWARD TO MEL. THEN R/R ANTI-ICE VALVE PER A330 AMM 30-21. OPS CHECK GOOD.
- [SDR DALA2024071507137](https://openairdocs.org/sdr/DALA2024071507137.md): Oil System · low · Jul 14, 2024 · N822NW · Airbus A330302 · Turbine Engine Oil System
  > SHIP 3322 ENG#1 AT 0.6QTS DUE STARTER INCIDENT. IFSD. CORRECTIVE ACTION: AFTER ALL REPAIRS MADE REFILLED OIL AND TEST RUN. OK FOR SERVICE. (6143673)
- [SDR DALA2024071507138](https://openairdocs.org/sdr/DALA2024071507138.md): Seal · leaking · Jul 14, 2024 · N822NW · Airbus A330302 · Engine Fuel Distribution
  > SHIP 3322 FOUND FUEL LEAK BETWEEN FUEL PUMP AND HEAT EXCHANGER ON ENGINE #1. CORRECTIVE ACTION: REPLACED SEAL BETWEEN FUEL/OIL HEAT EXCHANGER AND FUEL PUMP IAW A330 AMM 79-21. TEST GOOD AND NO LEAKS NOTED AFTER IDLE RUN. OK FOR SERVICE. (6143674)
- [SDR DALA2024071507142](https://openairdocs.org/sdr/DALA2024071507142.md): Engine · unknown · Jul 14, 2024 · N822NW · Airbus A330302 · Engine (Turbine/Turboprop)
  > SHIP 3322 ENG#1 IFSD. PLS PERFORM AMM05-51-34-200-801-A. SUPPLEMENTAL WORK. CORRECTIVE ACTION: PERFORMED INSPECTION AFTER ENGINE WINDMILLING IAW A330 AMM 05-51-34-200-801-A. PERFORMED ENGINE DRY-OUT PROCEDURE IAW A330 AMM 72-00-00-600-812-A 44 HOURS AFTER ENGI
- [SDR DALA2024071507148](https://openairdocs.org/sdr/DALA2024071507148.md): Tube · leaking · Jul 13, 2024 · N822NW · Airbus A330302 · Turbine Engine Oil System
  > SHIP 3322 - IFSD/DE - 30 MINUTES REMAINING IN FLIGHT NOTED LEFT ENGINE LOSING OIL QUANTITY AND PRESSURE. SHUTDOWN ENGINE AT 8PSI INDICATING. CORRECTIVE ACTION: REPLACED STARTER, IDG, OIL TUBES, CARBON SEALS, FUEL PUMP AND SEALS, AND HEAT EXCHANGER SEALS. HIGH
- [SDR DALA2023062305094](https://openairdocs.org/sdr/DALA2023062305094.md): Unknown · unknown · Jun 19, 2023 · N826NW · Airbus A330302 · Engine Fuel and Control
  > SHIP 3326 -DIV- FLIGHT DIVERTED TO SEA DUE TO MULTIPLE ENG 1 FAULTS ON ECAM. CORRECTIVE ACTION: REPLACED ECU TWICE NO HELP. SWAPPED ECU IDENT PLUG CHECKS OK. REPLACED NBR 1 ENGINE ECU AND ENGINE IDENT PLUG AND PROGRAMMED IT TO ECU.
- [SDR DALA2022080205318](https://openairdocs.org/sdr/DALA2022080205318.md): Engine · false indication · Jul 28, 2022 · N831NW · Airbus A330302 · Turbine Engine Compressor Section
  > SHIP 3331- ATO- DUE TO ENG THRUST LOSS & AIR ABNORMAL BLEED CONFIG MESSAGES. CORRECTIVE ACTION: T/S PER TSM & ALL FOUND NORMAL. NO FURTHER MESSAGE. (9263486)
- [SDR DALA2021091005352](https://openairdocs.org/sdr/DALA2021091005352.md): Skin · corroded · Sep 10, 2021 · N827NW · Airbus A330302 · Engine Mount Section
  > SHIP 3327 CORROSION SKIN AIR INTAKE LIP ON ENGINE 2. CORRECTIVE ACTION: PERFORMED PERMANENT REPAIR INSTRUCTION SECTION I AS PER A330 ERA 593986-14. (1942772)
- [SDR DALA2021091305441](https://openairdocs.org/sdr/DALA2021091305441.md): Skin · perforated · Sep 10, 2021 · N827NW · Airbus A330302 · Powerplant System
  > SHIP 3327 PERFORATION ON INTERNAL SKIN OUTBOARD FAN COWL LOC. FWD LOWER POSITION ON ENGINE 2. CORRECTIVE ACTION: REPAIRED INTERNAL SKIN OUTBOARD FAN COWL LOC. FWD LOWER POSITION ON ENGINE 2, AS PER ER/A 593877-14 PRI REV 0. AND ROHR SRM54-20-00 REPAIR 3. (1943
- [SDR DALA2021091005351](https://openairdocs.org/sdr/DALA2021091005351.md): Skin · corroded · Sep 9, 2021 · N827NW · Airbus A330302 · Engine Air Intake System
  > SHIP 3327 CORROSION SKIN AIR INTAKE LIP ON ENGINE 1. CORRECTIVE ACTION: PERFORMED PERMANENT REPAIR ON SKIN AIR INTAKE LIP AT ENGINE 1 AS PER ER/A #593806-14. (1942606)
- [SDR DALA2021090105168](https://openairdocs.org/sdr/DALA2021090105168.md): Pilot Valve · faulted · Aug 27, 2021 · N823NW · Airbus A330302 · Engine Thrust Reverser
  > SHIP 3323 -ATO- DUE TO NBR 2 ENG THRUST REVERSER FAULT. REPLACED T/R DIRECTIONAL PILOT VALVE AND PRESSURE SWITCH.
- [SDR DALA2021081804783](https://openairdocs.org/sdr/DALA2021081804783.md): Fault Message · false activation · Aug 12, 2021 · N823NW · Airbus A330302 · Engine Thrust Reverser
  > SHIP 3323 -ATO- DUE TO NUMBER 2 THRUST REVERSER FAULT. CORRECTIVE ACTION: T/S. NO CURRENT FAULTS. REPLACED RELAY 4EG2 AND EIVMU 2. OPS TEST GOOD. (8006120)
- [SDR DALA2021031001368](https://openairdocs.org/sdr/DALA2021031001368.md): Engine · odor · Mar 8, 2021 · N825NW · Airbus A330302 · Engine (Turbine/Turboprop)
  > SHIP 3325 FOUL DIRTY SOCK ODOR PRESENT. CORRECTIVE ACTION: BOROSCOPED BOTH ENGINES FORWARD HPC BLADES AND VANES. SOME WETTING FOUND IN #1 ENGINE. REPLACED #1 ENG. REMOVED AND REPLACED LT FCV. LT AND RT FCV LEAK AND OPS CHECK OK. (7687066)
- [SDR DALA2020050402338](https://openairdocs.org/sdr/DALA2020050402338.md): O-Ring · damaged · May 2, 2020 · N829NW · Airbus A330302 · Turbine Engine Oil System
  > AIRCRAFT 3329, HAD A BURNT OIL/VAPORS INTO AIR CONDITION SYSTEM ON TAKEOFF AND INITIAL CLIMB (DIRTY SOCK SMELL) AND AGAIN ON DESCENT BELOW 10,000 FEET. FOUND NBR 2 ENGINE, NBR 1 BEARING MANIFOLD LEAKING OIL. REPLACED O'RINGS ON BEARING MANIFOLD AND BOLTS, PERF
- [SDR DALA2020022101334](https://openairdocs.org/sdr/DALA2020022101334.md): Bearing · leaking · Feb 19, 2020 · N825NW · Airbus A330302 · Turbine Engine Oil System
  > A/C 3325 - DIV - TO BSB (BRASILIA) DUE TO RT ENGINE OIL QTY DROP. IT IS SUSPECTED THAT THE METAL FOUND DURING D SUMP CHIP DETECTOR INSPECTION IS 17-4PH WHICH IS CONSISTENT WITH THE PREVIOUS INSTANCES. CORRECTIVE ACTION: REMOVED THE NBR 6 BEARING NUT ASSEMBLY,
- [SDR DALA2019040322152](https://openairdocs.org/sdr/DALA2019040322152.md): Carbon Seal · failed · Apr 1, 2019 · N822NW · Airbus A330302 · AC Generator-Alternator
  > DUE TO LOSING THE RIGHT ENGINE GENERATOR. APU PICKED UP THE BUSS AND QRH ALLOWS FOR THE FLIGHT TO CONTINUE WITH NO ETOPS RAMIFICATIONS BUT THE CREW DID NOT WANT TO CONTINUE. REPLACE NR 2 ENGINE IDG CARBON SEAL AND IDG..
- [SDR SAJF2018100307051](https://openairdocs.org/sdr/SAJF2018100307051.md): Sense Line · broken · Oct 1, 2018 · Airbus A330302 · Fuel Controlling System
  > WHEN AIRCRAFT B-18308 CLIMBS TO FL256, NR 2 ENGINE THRUST REDUCED TO IDLE, AND MSG ENG 2 STALL, APPROXIMATELY 30 MINUTES AFTER, MSG ENG 2 FAIL, FLIGHT CREW PERFORM ENGINE SHUT DOWN PROCEDURE AND TURN BACK TO HND AIRPORT. GROUND INSPECTION DISCOVER PS3 TUBE BRO
- [SDR SAJF2016121405063](https://openairdocs.org/sdr/SAJF2016121405063.md): Starter · failed · Dec 12, 2016 · Airbus A330302 · Engine Starter
  > ENG NR 1 OIL LOSS DURING FLIGHT DUE TO NR 1 STARTER UNCONDITIONED FAILURE DAMAGING ENG OIL TUBE. ENG NR 1 SHUTDOWN BY FLIGHT CREW. AIRCRAFT LAND AWK. SIMILAR CASE PREVIOUSLY REPORTED.

## 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 = 'CF680E1A4'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/ge-cf6-80e1a4/reports

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