# SDR AALA202410044731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2024
- Submitted: October 4, 2024
- Operation: Air carrier
- Aircraft: [N817AN](https://openairdocs.org/aircraft/N817AN), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40635
- Aircraft time: 28,764 hours, 4,134 cycles
- Engine: Ge GENX1B70P2
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Leaking
- Location: Nr 2 Oil Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202410044731

## Discrepancy

AIRCRAFT WAS GROUNDED: OIL QTY #2 WENT FROM 20QTS TO 3QTS IN 2.5 HRS. AIRCRAFT RETRUND TO HND AND AN AMERGENCY WAS DECLARED LANDED WITH BOTH ENGINES AND WITHOUT INCIDENT.  MAINTENANCE FOUND OILD DRIP AT R ENG DRAIN MAST MFP TBV PORT. REPLACED AGB MFP SEAL IAW AMM72-64-01. PERFORMED TEST #4 PART POWER LEAK TEST. THEN NO LEAK PER AMM 71-00-00

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