# SDR P5CA0501422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2005
- Submitted: December 22, 2005
- Operation: Air carrier
- Aircraft: [N509MC](https://openairdocs.org/aircraft/N509MC), registered now
- Make and model: Boeing 747230B
- Aircraft serial: 21221
- Aircraft time: 115,027 hours, 21,894 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Drive Assy
- Part number: 10930014
- Condition: Damaged
- Location: Adp
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0501422

## Discrepancy

ADP CHUGGING, REPORTING NO PRESSURE.  OPENED MEL 29-2B

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