# SDR 8TNC202601220001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N405CP](https://openairdocs.org/aircraft/N405CP), registered now
- Make and model: Casa C212DF
- Aircraft serial: 405
- Aircraft time: 15,798 hours, 50,646 cycles
- System (JASC): [5500 · Empennage Structure](https://openairdocs.org/jasc/5500)
- Part: Skin
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8TNC202601220001

## Discrepancy

DURING ROUTINE MAINTENANCE IN ANCHORAGE, AK (ANC), MAINTENANCE NOTED THAT (2EA.) FASTENERS COMMON TO THE HORIZONTAL STABILIZER LOWER SKIN & SPAR CHORD HAVE CRACKED OUT. THE CRACKS MEASURE .204” AND .242” LONG, RESPECTIVELY, AND THEY EMANATE IN THE OUTBOARD DIRECTION FROM THE FASTENER HEADS.

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