# SDR VNAA2026022012901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2026
- Submitted: February 20, 2026
- Operation: Air carrier
- Aircraft: [N553NN](https://openairdocs.org/aircraft/N553NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15333
- Aircraft time: 25,404 hours, 22,473 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Control Unit
- Part number: C13045BA05
- Part serial: 2728
- Condition: Faulted
- Location: Zone 300
- Part time: 21,338 hours, 17,700 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2026022012901

## Discrepancy

EMERGENCY RETURN TO FIELD AND STAB TRIM RUNAWAY.  REMOVED AND REPLACED HORIZONTAL STAB MCU IAW AMM 27-42-07-000/400-801-A01. REMOVED AND REPLACED SSCU 1 IAW AMM 27-61-05-000/400-801-A01. OPS CHECKED IAW AMM 27-61-05-740-801. OPS CHECK GOOD NO DEFECTS NOTES.

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