# SDR VLAR20241211001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2024
- Submitted: December 11, 2024
- Operation: General aviation
- Aircraft: [N110S](https://openairdocs.org/aircraft/N110S), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S10384
- Engine: Lyc IO360L2A
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Control Cable
- Part number: 05226473
- Part serial: NSN
- Condition: Broken
- Location: Zone 600
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VLAR20241211001

## Discrepancy

AUTOPILOT FAILED, WILL HOLD ALTITUDE, WILL NOT TRACK HEADING BUT OR NAV TRACK. SQUAWK WAS ENTERED ON 12/5/2024 AT 2117, SQUAWK UPDATED ON 12/06/2024.REMOVED ACCESS PANELS ON RH WING, FOUND CABLE PN 0522647-3 BROKEN.THE CABLE HAS TWO PARTS: A SHORT CABLE (PN: 0522647-2) AND A LONG CABLE (PN: 0522647-3).  THE LONG SECTION IS THE CABLE THAT SNAPPED. THE SHORT CABLE HAS A SLIGHT BOW WHERE IT ATTACHES TO THE TURNBUCKLE. THE SERVO MOUNT ALSO (065-0030-00) SUFFERED DAMAGE FROM THE CABLE BINDING. ALL THREE OF THESE PARTS ARE ON ORDER FOR OVERNIGHT DELIVERY.  I COULDN’T FIND ANY DAMAGE TO THE AILERON CABLES OR ANY INDICATIONS OF WHAT COULD HAVE CAUSED THE ROLL SERVO CABLE TO FAIL.

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