# SDR SWAA2024042566571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2024
- Submitted: April 25, 2024
- Operation: Air carrier
- Aircraft: [N924WN](https://openairdocs.org/aircraft/N924WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36628
- Aircraft time: 51,375 hours, 31,138 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Stiffener
- Part number: UNKNOWN
- Condition: Cracked
- Location: Horizontal Stab
- 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/SWAA2024042566571

## Discrepancy

2ND FWD STIFFENER CRACK AT LH HSTAB AT STAB STA 120.30<[01] OK TO INSTALL GIVEN;[02] OKAY TO CAP-SEAL GIVEN STEP # 2 COMPLETE.;[03] CAP SEALED FASTENERS AT LEFT HAND HORIZONTAL STABILIZER FRONT SPAR WEB AT STAB STA 111.10 - 136 IAW AMM 51-31-00-390-805.;[04] VERIFIED CORRECTIVE ACTION ENTRY 3.;[05] VERIFIED CORRECTIVE ACTION COMPLETED WITH STEPS.

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