# SDR SWAA2025060277070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2025
- Submitted: June 2, 2025
- Operation: Air carrier
- Aircraft: [N7731A](https://openairdocs.org/aircraft/N7731A), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32677
- Aircraft time: 59,541 hours, 30,781 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Sensor
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: O, R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025060277070

## Discrepancy

AIRCRAFT HAD ABRUPT UNCOMMANDED ROLL EVENT AT 39000FT .78 MACH AFTER RECOVERY LH TRAILING EDGE FLAPS INDICATED .5 DEGREE DEPLOYED A/C LANDED UNEVENTFULLY WITH FLAPS UP. BRAKE COOLING WAS PERFORMED AND AN EMERGENCY WAS DECLARED <[01].  OK TO CONTINUE PER MX NOTE PER MPM 53.3 FUNCTIONAL CHECK FLIGHT. AUTHORIZATION NUMBER 256322; [02] REMOVED AND REPLACED #2 FLAP SKEW SENSOR PER AMM 27-59-01; OPS CHECK GOOD. SEE WORK ORDER NUMBER 100209278 FOR DETAILS.; [03] ENTERED SELECT REFERENCE 27-59-01-400-802-NG (OUTBOARD FLAP INBOARD SKEW SENSOR INSTALLATION - PERMANENT).

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