# SDR ASMF200403013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2004
- Submitted: April 17, 2004
- Operation: Air carrier
- Aircraft: N754RA
- Make and model: Doug DC-9-87
- Registry model: [Doug DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87) (OpenAirDocs)
- Aircraft serial: 49641
- Aircraft time: 31,096 hours, 21,733 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: AS66411LS666
- Part serial: MX523482
- Condition: Failed
- Location: Hyd System
- Part time: 22,804 hours, 8,467 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200403013

## Discrepancy

AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF HYDRAULIC PRESSURE ON LEFT ENGINE REACHED 4000 PSI AND DROPPED TO ZERO.  THE HYDRAULIC PUMP WAS REPLACED IAW MM 29-10-05, TEST CORRECT.

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