# SDR DLM90020414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2002
- Submitted: April 23, 2002
- Operation: Air carrier
- Aircraft: N901DA
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53381
- Aircraft time: 21,218 hours, 12,276 cycles
- Engine: Iae V2528D5
- Engine time: 12,942 hours, 6,855 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 623337
- Part serial: MX395333
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM90020414

## Discrepancy

AT CRUISE EOAP-LT HYD PRESS LO-ILLUMINATED.  L/R HTD QTY OK.  COULD NOT RESTORE L HYD PRESS PER POM.  FOUND METAL CHUNKS IN LT ENG HYD PUMP.  REMOVED AND REPLACED LT ENG HYD PUMP PER MM.  REPLACED LT EDP CASE DRAIN / PRESS FILTERS.  REPLACED L SYS RETURN FILTERS.  FLUSHED SYS.  RAN LT ENG / EDP.  CHECKED EDP CASE DRAIN/ PRESS FILTERS.  NO METAL FOUND.  REPLACED EDP CASE DRAIN.  OK FOR SERVICE.

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