# SDR UPS00434510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2000
- Submitted: November 27, 2000
- Operation: Air carrier
- Aircraft: N677UP
- Make and model: Boeing 747123F
- Aircraft serial: 20391
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Condition: Leaking
- Location: Hydraulic System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00434510

## Discrepancy

INSPECTION TYPE:N/A, ATB - NR 4 HYDRAULIC SYSTEM FLUID LOSS ON TAKEOFF.  REMOVED AND REPLACED O/B FLAP CONTROL MODULE.

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