# SDR AALA971694

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1457B
- 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: 11469
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Seal
- Part number: UP60324
- Condition: Leaking
- Location: Nr 1 Hyd Pump
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA971694

## Discrepancy

ORD - FLT 1599 - EN ROUTE EWR/ORD - DURING CRUISE, RECEIVED NR 1 HYDRAULIC SYSTEM LOW QTY ALERT.  AIRCRAFT PROCEEDED TO ORD AND ACCOMPLISHED ALTERNATE LANDING GEAR AND FLAPS PROCEDURE, LANDING WITHOUT INCIDENT.  REPLACED NR 1 SYSTEM ENGINE HYDRAULIC PUMP SEALS.  SERVICED HYDRAULIC SYSTEM.  SYSTEM LEAK AND GROUND CHECKED NORMAL OPERATION.  (M)

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