# SDR AALA202512052363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2025
- Submitted: December 6, 2025
- Operation: Air carrier
- Aircraft: [N343PN](https://openairdocs.org/aircraft/N343PN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31270
- Aircraft time: 23,703 hours, 10,407 cycles
- System (JASC): [3030 · Pitot/Static Anti-Ice System](https://openairdocs.org/jasc/3030)
- Part: Heater
- Part number: 102LJ2AG
- Part serial: B47640
- Condition: Failed
- Location: Tat Probe
- Part time: 23,701 hours, 10,406 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202512052363

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: TEMP PROBE LIGHT WITH MASTER CAUTION ILLUMINATED AT LIFTOFF AND REMAINED ON THROUGH REMAINDER OF FLIGHT. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOMPLISHED FIM TASK 30-31-00-810-810. FOUND TAT PROBE HEATER M171 INOPERATIVE. REMOVED AND REPLACED TAT PROBE HEATER. PER AMM 34-21-06. OPERATIONAL TEST NORMAL.

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