# SDR AALA981210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1405J
- 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: 11356
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CR
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA981210

## Discrepancy

ORD - FLT 1795 - DURING CRUISE, EN ROUTE MSP/ORD, SYSTEM 1 HYDRAULIC LOW QUANTITY ALERT ON RIGHT MFDU ILLUMINATED.  SYSTEMS 1 AND 2 PUMPS TURNED OFF WITH 35 PERCENT QUANTITY REMAINING IN SYSTEM.  ALTERNATIVE GEAR PROCEDURE USED.  LANDED ORD WITHOUT INCIDENT.  REPLACED NR 1 ENGINE PRESSURE LINE O-RING ON HYDRAULIC PUMP.  SYSTEM GROUND CHECKED, NORMAL OPERATION.  (X)

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