# SDR ASMF20200122002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2019
- Submitted: January 22, 2020
- Operation: Air carrier
- Aircraft: [N875AM](https://openairdocs.org/aircraft/N875AM), registered now
- Make and model: Boeing 737852
- Aircraft serial: 36705
- Aircraft time: 21,296 hours, 7,909 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 66087
- Part serial: K2012
- Condition: Failed
- Location: Hyd System
- Part time: 41,828 hours, 19,925 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF20200122002

## Discrepancy

CCM PERSONNEL REPORTED THAT AFTER LANDING AT PLATFORM, THE HYDRAULIC PUMP LOW PRESSURE LIGHT FOR RH ENGINE TURNED ON; SO MAINTENANCE PERSONNEL PERFORMED CONDITIONAL INSPECTION DETECTING CASE DRAIN NOSE INCORRECT INSTALLED AND HYD PUMP LOOSED DUE TO INCORRECT TORQUE, SO MAINTENANCE PERSONNEL PERFORMED REPLACEMENT OF ENGINE DRIVE PUMP NO. 2 IAW AMM 29-11-11-400-801, TEST CORRECT.

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