# SDR CALA2021032200365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2021
- Submitted: March 22, 2021
- Operation: Air carrier
- Aircraft: [N66814](https://openairdocs.org/aircraft/N66814), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42745
- Aircraft time: 23,304 hours, 8,239 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Condition: Intermittent
- Location: Te Flaps
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021032200365

## Discrepancy

RTO JUST PRIOR TO 100 KNOTS.  T/O CONFIG WARN FLAPS SET 10 FSEU FAULT HISTORY CAPTURED ''27-51351 TE FLAP UCM'' . ACCOMPLISHED FIM TAS 27-51-00-810-830. OPERATED FLAPS AND PERFORMED FSEU BITE, NO FAULTS. CHECKS GOOD. LP 6026704: TS PER FIM TASK , CONTINUE OF LOG PG 6025315,ACP''ED BITE TEST OF FSCU PER AMM , FAULT HISTORY RECORDED ON FLIGHT 0 & 1 THE SAME FAULT CODE 27-51351. SEE ATTACHED PICTURES. PER PILOT INFORMATION, FLAP HANDLE SET AT FLAP 10 UNIT. BUT THE FSEU CAPTURE THE FLAP HANDLE AT BETWEEN 5-10 UNIT, PER FIM STEP E.(3)(D) PG4, LVR POS SHOULD BE5 0.6-54.6. SUSPECTED FLAP CONTROL LEVER SENSOR T538 INTERMITTEN. RAR FLAP CONTROL LEVER POSITION SENSOR IAW AMM, OPS CHECK GOOD.

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