# SDR AALA20180508012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2018
- Submitted: May 16, 2018
- Operation: Air carrier
- Aircraft: [N787AL](https://openairdocs.org/aircraft/N787AL), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30010
- Aircraft time: 73,355 hours, 8,741 cycles
- Engine: Rroyce RB211TRENT89
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Engine
- Condition: Leaking
- Location: Left
- Stage of operation: CR
- How discovered: V
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20180508012

## Discrepancy

LEFT ENGINE OIL QUANITTY BEGAN DROPPING SHORTLY AFTER CRUISE.  LOSS INCREASED IN RATE TO APPROXIMATELY 1 QUART PER 30 MINUTES. AT 4 QUARTS DIVERTED.  ALL OTHER PARAMETERS WITHIN LIMITS.  ARF REPORTED SOMETHING LEAKING AFTER LANDING. SHUT DOWN ENGINE. ENGINE HAS BEEN CHANGED IAW CARD 71-94-01.  AIRCRAFT WAS GROUNDED.

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