# SDR USAAF00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N898US
- Make and model: Fokker F.28 MK 0100
- Registry model: [Fokker F.28 MK 0100](https://openairdocs.org/model/fokker-f-28-mk-0100) (OpenAirDocs)
- Aircraft serial: 11398
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Fitting
- Part number: 42046
- Condition: Broken
- Location: Hydraulic Pump
- Part time: 16,114 hours
- Stage of operation: DE
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAAF00004

## Discrepancy

PIT/GRR - FLT 1136 - DURING DESCENT, THE NR 1 HYDRAULIC QUANTITY DROPPED TO ZERO.  THE AIRCRAFT LANDED AT ITS DESTINATION WITHOUT INCIDENT AND WAS TOWED TO THE TERMINAL.  MAINTENANCE REPLACED THE NR 1 ENGINE DRIVEN HYDRAULIC PUMP.

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