# SDR AALA202111174778

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2021
- Submitted: November 17, 2021
- Operation: Air carrier
- Aircraft: [N576UW](https://openairdocs.org/aircraft/N576UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 6027
- Aircraft time: 24,636 hours, 9,571 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Pump
- Part number: 4A7110
- Part serial: FAEG4411
- Condition: Unserviceable
- Location: Zone 400 - Nac/P
- Part time: 43,584 hours, 17,324 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111174778

## Discrepancy

AIRCRAFT WAS GROUNDED: ENGINE #1 OIL PRESSURE LOW 5 MINUTES AFTER TAKE OFF. OIL PRESSURE INTERMITTENTLY WENT TO 30 PSI AND THEN BACK IN GREEN. ENGINE #1 EPR ERRATIC AS WELL. 8 MINUTES INTO FLIGHT OIL STABILIZED AT 250 PSI. MAINTENANCE REPLACED ENGINE #1 OIL PRESSURE PUMP (AALA202111174778) AND ENGINE INTERFACE UNIT (AALA202111173395) PER AMM 79-21-24 AND AMM 73-25-34. ACCOMPLISHED IDLE RUN PER AMM 71-00-00.

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