# SDR AALA20160615006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2016
- Submitted: June 15, 2016
- Operation: Air carrier
- Aircraft: [N953NN](https://openairdocs.org/aircraft/N953NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33328
- Aircraft time: 6,902 hours, 2,354 cycles
- Engine: Ge CFM567B24
- Engine time: 6,902 hours, 2,354 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Line
- Condition: Leaking
- Location: Nr 1 Engine
- Part time: 6,902 hours, 2,354 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160615006

## Discrepancy

APPROACHING TOP OF DESCENT, RECEIVED A NR 1 ENGINE OIL QUANTITY LOW WARNING.  ACCOMPLISHED QRH AND CONTINUED TO NORMAL LANDING.  MAINTENANCE REPORTED OIL TANK EMPTY UPON SERVICING CHECK AND A SIGNIFICANT AMOUNT COMING FROM THE AFT SUMP SCAVENGE LINE.  ENGINE CHANGE SCHEDULED.    REMOVED AND REPLACED LEFT ENGINE IAW MCM 71-94-01.  LEAK AND OPS CHECKED GOOD.  AIRCRAFT WAS GROUNDED.

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