# SDR CALA2026032614839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 26, 2026
- Operation: Air carrier
- Aircraft: [N27246](https://openairdocs.org/aircraft/N27246), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28956
- Aircraft time: 75,489 hours, 28,982 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Sensor
- Part number: 189929
- Condition: Faulted
- Location: Slat System
- Stage of operation: AP
- 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/CALA2026032614839

## Discrepancy

FL LEADING EGDE  TRANSIT AT FLAPS 10 LOCKED FOR CONFIRMED FAULT, DECLARED EMERGENCY DEBRIEFED CREW CA STATED. SELECTED 10 FLAPS, AMBER TRANSIT LIGHT ON. FOLLOWED REF GUIDE SELECTED FLAPS 15, AMBER LIGHT REMAINED ON. AFTER LANDING DURING TAXI TRANSIT LIGHT WENT GREEN. AFTER AT GATE WITH FLAPS REMAINING DEPLOYED LIGHT RETURNED TO AMBER. FOUND FAULT CODE 27-81208 IN FAULT HISTORY ON FSEU IAW FIM 27-88 TASK 803, INSPECTED SLAT 5 OTBD SENSOR & FOUND TOP PLATE STARTING TO SEPARATE FROM PROX SENSOR BODY. R & R SLAT 5 OTBD SENSOR IAW AMM 27-88-11, OPS CHKD OK. CYCLED FLAPS FROM 0 - 15 & BACK SEVERAL TIMES, NO FURTHER FAULTS NOTED. TROUBLESHOT & REPLACED FAULTY COMPONENTS. CLEARING BASED ON PREVIOUS UPDATE, OPS CHKD OK.

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