# SDR CALA2025011601936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2025
- Submitted: January 16, 2025
- Operation: Air carrier
- Aircraft: [N56859](https://openairdocs.org/aircraft/N56859), registered now
- Make and model: Boeing 757324
- Aircraft serial: 32818
- Aircraft time: 59,271 hours, 18,774 cycles
- System (JASC): [2752 · Trailing Edge Flap Actuator](https://openairdocs.org/jasc/2752)
- Part: Transmission
- Condition: Tripped
- Location: Te Flaps
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025011601936

## Discrepancy

TE FLAP DISAGREE ON THE APP CREW REPORTED THAT FLAP WAS SELECTED TO 25 BUT STAYED AT 21-22. THEY FOLLOW THE QRH AND LANDED. MSG DISAPPEARED ON LANDING. PERFORMED FIM 27-51 FAULT TREE 808. BITE CHECK OF FSEU SHOWS TE FLAPS DISAGREE AS THE ONLY MESSAGE. FOUND FLAP TRANSMISSIONS #1 & #8 TRIPPED. NO RECENT HISTORY. PER BLOCK 53 RESET BOTH TRANSMISSIONS AND PERFORMED OPERATIONAL CHECK OF FLAPS PER AMM  27-51-00. VERIFIED NO TRANSMISSIONS HAVE TRIPPED.

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