# SDR TSAA0429054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2004
- Submitted: July 21, 2004
- Operation: Air carrier
- Aircraft: [N816AL](https://openairdocs.org/aircraft/N816AL), registered now
- Make and model: Boeing 737-2X6C
- Registry model: [Boeing 737-2X6C](https://openairdocs.org/model/boeing-737-2x6c) (OpenAirDocs)
- Aircraft serial: 23122
- Aircraft time: 42,237 hours, 62,633 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 6507506
- Part serial: 115811
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 4,849 hours, 11,216 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0429054

## Discrepancy

HYDRAULIC SYSTEM FAILED.  TURNED TO HNL.  REMOVE AND REPLACE NR 2 ENGINE HYDRAULIC PUMP IAW AMM 29-11-32.  LEAK AND OPS CHECK GOOD.  REMOVE AND REPLACE NR 1 AND NR 2 ENGINE HYDRAULIC PUMP CASE DRAIN FILTERS.  LEAK CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.