# SDR 9JLA2021091323871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2021
- Submitted: September 13, 2021
- Operation: Air carrier
- Aircraft: [N215JL](https://openairdocs.org/aircraft/N215JL), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK549
- Aircraft time: 5,823 hours, 5,066 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Controller
- Part number: 1283840541
- Part serial: 0757
- Condition: Defective
- Location: Stab Heat
- Stage of operation: CR
- 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/9JLA2021091323871

## Discrepancy

THE FLIGHT CREW REPORTED THE HORIZONAL STAB HEAT FAIL ANNUNCIATOR ILLUMINATED 3 SECONDS AFTER TURNING ON STAB HEATING SYSTEM AT FL350. NO VISIBLE MOISTURE. THE MAINTENANCE VENDOR TROUBLESHOT AND FOUND THE HORIZONTAL STAB DE-ICE CONTROLLER DEFECTIVE. THE DEFECTIVE CONTROLLER WAS REMOVED AND REPLACED WITH OVERHAULED UNIT. OPS CHECKS SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.

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