# SDR SWAA2026072077412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2026
- Submitted: July 21, 2026
- Operation: Air carrier
- Aircraft: [N257WN](https://openairdocs.org/aircraft/N257WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32515
- Aircraft time: 65,106 hours, 39,315 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Zone 100
- 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/SWAA2026072077412

## Discrepancy

CRACKED LOWER RT COMPOSITE BULKHEAD,  BS 663, RBL 33, WL 164.   CRACK AT LOWER R/H COMPOSITE BULKHEAD AT BS663 RBL33 WL164 WAS FOUND TO BE WITHIN ALLOWABLE DAMAGE LIMITS. PERMANENTLY SEALED AND REFINISHED CRACK IAW SRM 57-10-10-1A-2.

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