# SDR AALA202502132445

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2025
- Submitted: February 14, 2025
- Operation: Air carrier
- Aircraft: [N896NN](https://openairdocs.org/aircraft/N896NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33224
- Aircraft time: 37,095 hours, 16,132 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 887477
- Condition: Low Pressure
- Location: Zone 100
- 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/AALA202502132445

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: HYDRAULIC HEAD PRESSURE DROPS TO ZERO, WILL NOT HOLD; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT SAN. **SUPPLEMENTAL REPORT FOR (AALA202502129412): REPLACED SYSTEM-A ELECTRIC DRIVEN HYDRAULIC PUMP (AALA202502129412), PER AMM 29-11-21. ALSO REPLACED PUMP CONNECTOR (AALA202502139373), PER SWPM 20-60-06. OPERTIONAL AND LEAK CHECK GOOD.

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