# SDR AALA202110252982

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2021
- Submitted: October 25, 2021
- Operation: Air carrier
- Aircraft: [N802NN](https://openairdocs.org/aircraft/N802NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31073
- Aircraft time: 35,770 hours, 14,692 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 3033096100
- Part serial: MX729896
- Condition: Unserviceable
- Location: Zone 100 - Fuse
- Part time: 3,161 hours, 1,427 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202110252982

## Discrepancy

AIRCRAFT WAS GROUNDED: HYDRAULIC SYSTEM B LOW PRESSURE LIGHT. DECLARED AN EMERGENCY AND DIVERTED TO AMA, LANDING SAFELY. MAINTENANCE REPLACED #2 ENGINE DRIVEN PUMP (AALA202110258415) PER AMM 29-11-21, SYSTEM B ELECTRIC MOTOR DRIVEN PUMP (AALA202110252982) PER AMM 29-11-21, AND SYSTEM B PRESSURE TRANSMITTER (AALA202110251462) PER AMM 29-31-12.

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