# SDR ASAA2021111236586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2021
- Submitted: November 16, 2021
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 55,373 hours, 16,478 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pump
- Part number: 66087
- Part serial: 660878892
- Condition: Leaking
- Location: #1 Engine
- Part time: 14,325 hours, 4,225 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021111236586

## Discrepancy

#1 ENGINE DRAIN IS LEAKING OIL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG DRIVEN PUMP REF B737-800 AMM 29-11-11-400-801. DURING LEAK TEST CASE OF PUMP FOUND LEAKING. REMOVED BAD FROM STOCK PUMP. INSTALLED NEW. REF AMM 29-11-11. OPS CHECK GOOD. NO LEAKS NOTED. OK FOR SERVICE. GROUND VERIFICATION SUCCESSFUL.

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