# SDR CALA2026020213487

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N17431](https://openairdocs.org/aircraft/N17431), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43528
- Aircraft time: 375 hours, 136 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap System
- Condition: Malfunctioned
- Stage of operation: DE
- 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/CALA2026020213487

## Discrepancy

TRAILING EDGE FLAPS POSITION INDICATION FOR LEFT AND RIGHT FLAPS DO NOT AGREE.  FOUND MAINT MSG 27-52260. PERFORMED FIM TASK 27-51 813. FLAPS OP CK GOOD IAW AMM 27-51-00.

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