# SDR JBXA9900076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N106ML](https://openairdocs.org/aircraft/N106ML), registered now
- 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: 11477
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O Ring
- Part number: NAS161210
- Condition: Worn
- Location: Nr 2 Engine
- Stage of operation: LD
- Nature of condition: K, J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JBXA9900076

## Discrepancy

NR 1 HYDRAULIC SYSTEM QUANTITY LOW (FOLLOWED OPS PROCEDURE, ALT LG EXTENSION).  FOUND NR 2 ENGINE HYDRAULIC PUMP QUICK DISCONNECT FITTING O-RING WORN (LEAKING).  REMOVED AND REPLACED O-RING, SERVICED HYDRAULIC SYSTEM TO FULL, ACCOMPLISHED LEAK CHECK WITH BOTH ELECTRIC PUMPS AND ENGINE DRIVEN PUMP.  ALL CHECKS GOOD.

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