# SDR UPS99630000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N322UP](https://openairdocs.org/aircraft/N322UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27748
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Air Driven Pump
- Part number: 32687929
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99630000

## Discrepancy

HYDRAULIC FLUID LOSS IN FLIGHT INFLIGHT EMERGENCY DECLARED.  MAINTENANCE FINDINGS, ADP BYPASS HAD OPENED AND WAS LEAKING HYDRAULIC FLUID.  ISSUED ECA 04892 REPLACED CENTER ADP PER MM 29-11-03 AND LEAK CHECK OK.  P/N OFF 3268792-9 S/N OFF 1011.  P/N ON 3268792-9 S/N ON 727.

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