# SDR AALA202504286626

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2025
- Submitted: April 28, 2025
- Operation: Air carrier
- Aircraft: [N996NN](https://openairdocs.org/aircraft/N996NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31248
- Aircraft time: 25,315 hours, 11,092 cycles
- Engine: Cfmint CFM567B242
- Engine time: 25,315 hours, 11,091 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Part number: CFM567B
- Part serial: 864440
- Condition: Empty
- Location: Nr 1 Engine
- Part time: 25,315 hours, 11,091 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202504286626

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: NUMBER 1 ENGINE OIL QUANTITY DROPPED TO 0 IN FLIGHT; THEN OIL PRESSURE WENT TO 0; INFLIGHT SHUT DOWN COMPLETED. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT MCO. REMOVED AND REPLACED LEFT ENGINE ASSEMBLYT, ALL OPERTIONAL AND LEAKED CHECK GOOD. PER W/C 08L40072003.

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