# SDR AALA20121010004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2012
- Submitted: October 12, 2012
- Operation: Air carrier
- Aircraft: [N366AA](https://openairdocs.org/aircraft/N366AA), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25193
- Aircraft time: 88,907 hours, 13,902 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: B-Nut
- Condition: Loose
- Location: Oil System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20121010004

## Discrepancy

MIA - CREW REPORTED LEFT ENGINE OIL QUANTITY LOSS.  EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOUND B-NUT ON OIL PRESSURE LINE ON BOTTOM OF OIL PUMP LOOSE.  TIGHTENED B-NUT.  SYSTEM GROUND CHECK NORMAL OPERATION.

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