# SDR AALA20030062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2003
- Submitted: March 3, 2003
- Operation: Air carrier
- Aircraft: [N688AA](https://openairdocs.org/aircraft/N688AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 25730
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: B-Nut
- Condition: Loose
- Location: Hyd System
- Stage of operation: DE
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20030062

## Discrepancy

SJU - FLT 633 - LEFT HYDRAULIC SYSTEM FLUID LOSS TO .33.  FOUND B-NUT LOOSE ON HYDRAULIC RETURN LINE IN DOG HOUSE AREA FOR NR 1 ENGINE ACCOMPLISHED TORQUE ON B-NUT PER MM.  REPLENISHED LEFT HYDRAULIC SYSTEM ACCOMPLISHED LEAK CHECK ON NR 1 ENGINE.  NO LEAKS NOTED.  OK FOR SERVICE.  (M)

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