# SDR AALA202112106009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2021
- Submitted: December 10, 2021
- Operation: Air carrier
- Aircraft: [N821NN](https://openairdocs.org/aircraft/N821NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 30912
- Aircraft time: 35,999 hours, 14,646 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567BTIQEC737
- Part serial: 2760
- Condition: Damaged
- Location: Zone 400 - Nac/P
- Part time: 36,003 hours, 14,648 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J, K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112106009

## Discrepancy

AIRCRAFT WAS GROUNDED: LH ENGINE OIL QTY INDICATION LOW WITH OIL PRESSURE FLUCTUATING IN PRECAUTIONARY AMBER ZONE, FLIGHT DECLARED EMERGENCY AND DIVERTED TO RDU. **SUPPLEMENTAL REPORT: REPLACED SEALOL SEAL (AALA202111110783) WITH NEW AT N2 DRIVE PAD ON LH ENGINE IAW AMM 72-60-00 AND REPLACED LH ENGINE WITH SERVICEABLE UNIT IAW WORKCARD 08L40072003, LEAK AND OPS CHECK GOOD. WILL BE SUBMITTED.** (CLOSED)

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