# SDR IPXA2025100241817

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2025
- Submitted: October 2, 2025
- Operation: Air carrier
- Aircraft: [N391UP](https://openairdocs.org/aircraft/N391UP), registered now
- Make and model: Boeing 767304
- Aircraft serial: 28039
- Aircraft time: 90,722 hours, 20,145 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Warning Message
- Condition: Illuminated
- Location: Hyd Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025100241817

## Discrepancy

AIR TURNBACK. AFTER TAKEOFF WHILE RETRACTING FLAPS FROM F5 TO F1 WE RECEIVED C HYD QTY ABD STATUS PAGE SHOWED QUANTITY DECREASING

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