# SDR SWAA2026021763574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: February 17, 2026
- Operation: Air carrier
- Aircraft: [N458WN](https://openairdocs.org/aircraft/N458WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33857
- Aircraft time: 72,334 hours, 43,392 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- 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/SWAA2026021763574

## Discrepancy

CRACK LEADING EDGE RIB ACCESS PANEL 331B LOCATED LE HSS 188.94 AT LT HORIZONTAL STAB.   REPLACED RIB ON LEADING EDGE ACCESS PANEL 331B LOCATED LE HSS 188.94 AT LT HORIZONTAL STAB IAW SRM 51-40-02-01-0G-0,  SRM 51-10-02-0G-0, PARAGRAPH 9, & DWG 186A1001 SHEET 10, REV A. LENGTH OF CRACK: 0.269 INCH.

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