# SDR P5CA0000336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2000
- Submitted: November 27, 2000
- Operation: Air carrier
- Aircraft: [N859FT](https://openairdocs.org/aircraft/N859FT), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20326
- Aircraft time: 76,567 hours, 18,051 cycles
- System (JASC): [2933 · Hydraulic Quantity Indicator](https://openairdocs.org/jasc/2933)
- Part: B-Nut
- Condition: Leaking
- Location: Hyd Qty Ind
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0000336

## Discrepancy

ABNORMALITY FOUND ON NR 4 HYD QTY DROPPED 6 GAL AFTER LANDING GEAR RETRACTION CONTINUED FLIGHT WITH AOP OFF AND EDP IN DEPR.  FOUND HYD LEAK FORM PRESS LINE B-NUT ABOVE PYLON LWR BLHD THEN RETIGHTED B-NUT SO LEAK CKED OK WITH MOTORING.

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