# SDR AALA202610267900

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2026
- Submitted: October 27, 2026
- Operation: Air carrier
- Aircraft: [N929AN](https://openairdocs.org/aircraft/N929AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30078
- Aircraft time: 70,768 hours, 30,123 cycles
- System (JASC): [5534 · Vertical Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5534)
- Part: Fitting
- Part number: 172A21011
- Condition: Corroded
- 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/AALA202610267900

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: FOUND CORROSION AROUND BOLT HOLE IN VERTICAL FIN FRONT SPAR FITTING SUPPORT BULKHEAD FITTING LH SIDE AFT AND FWD LUG.  CORROSION DAMAGE REMOVED BY BLENDING IAW SRM 55-30-90-1A PROCEDURE 1 ALLOWABLE DAMAGE 1 - VERTICAL STABILIZER FITTINGS.

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