# SDR AALA202303066646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N941NN](https://openairdocs.org/aircraft/N941NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33232
- Aircraft time: 27,579 hours, 10,798 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Bolt
- Condition: Corroded
- Location: Zone 300 - Stabs
- 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/AALA202303066646

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON BOLT FRONT SPAR FITTING FORWARD RIGHT AT VERTICAL STABILIZER BODY STA 959.8 AND VERTICAL FIN WATER LINE 0.0. LENGTH: 0.450 INCHES, WIDTH: 0.230 INCHES, AND DEPTH: 0.003 INCHES. REMOVED AND REPLACED BOLT PER JOB CARD.

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