# SDR AALA202211165954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2022
- Submitted: November 16, 2022
- Operation: Air carrier
- Aircraft: [N972AN](https://openairdocs.org/aircraft/N972AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30097
- Aircraft time: 60,694 hours, 25,219 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 849589
- Part serial: MX626975
- Condition: Leaking
- Location: Hyd System
- Part time: 50,558 hours, 21,153 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202211165954

## Discrepancy

AIRCRAFT WAS GROUNDED: ON DOWNWIND AT DFW PLANE WENT INTO MANUAL REVERSION. SYSTEM B WENT TO 60%, SYSTEM A WAS NORMAL. GEAR WAS EXTENDED MANUAL AND LANDED WITH FLAP 5 ON THE FLAP HANDLE, INDICATOR SHOWED 5. BRAKE PRESSURE SHOWED 2500 APPROXIMATELY ON FINAL THEN CLOSE TO ZERO DURING ROLLOUT. LEAK FOUND AT NUMBER 2 ENGINE DRIVEN HYDRAULIC PUMP. REMOVED AND REPLACED ENGINE DRIVEN HYDRAULIC PUMP PER AMM 29-11-11.

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