# SDR 99ZZZM688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N150AW](https://openairdocs.org/aircraft/N150AW), registered now
- Make and model: Boeing 737-3G7
- Registry model: [Boeing 737-3G7](https://openairdocs.org/model/boeing-737-3g7) (OpenAirDocs)
- Aircraft serial: 23218
- System (JASC): [2923 · Hydraulic Pump, Auxiliary](https://openairdocs.org/jasc/2923)
- Part: Pump
- Part number: 5718610
- Condition: Failed
- Location: Left
- Part time: 50,746 hours
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZM688

## Discrepancy

CLIMBING OUT AT 4000 FT, THE 'A' HYDRAULIC PUMP OVERHEAT LIGHT CAME ON.  PUMP TURNED OFF PER QPH.  MAINTENANCE NOTIFIED AND RETURNED LAS.  REPLACED 'A' PUMP IAW CARD R4M29002.  (M)

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