# SDR SWAA2026063007029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2026
- Submitted: July 1, 2026
- Operation: Air carrier
- Aircraft: [N929WN](https://openairdocs.org/aircraft/N929WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36631
- Aircraft time: 58,054 hours, 35,506 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- 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/SWAA2026063007029

## Discrepancy

CRACK NOTED IN ONE FASTENER HOLE DURING OHEC INSPECTION (TTG8Q01BLWC6; STEP 22) OF RT STUB BEAM STRAP, BS 639, RBL 45, LOWER AFT HOLE, EXTENDING IN AFT DIRECTION. ENGINEERING REQUIRED FOR REPAIR.   REMOVED RT STUB BEAM STRAP DAMAGED AT BS 639, RBL 45, AND REPLACED BY NEW IAW SRM 51-40-02-0G-0, & DWG 144A1715, REV A. REMOVED RT STUB BEAM STRAP BS 639, RBL 45 IAW SRM 51-40-02-0G-0.  LOCATED & DRILLED RT STUB BEAM STRAP BS 639, RBL 45 IAW SRM 51-40-05-0G-0,  DWG 144A1715, REV A,  & DWG 144A1705, REV-.  INSTALLED REPLACEMENT RT STUB BEAM STRAP IAW SRM 51-40-02-0G-0 AND DWG 144A1715, REV A.  REINSTALLED STUB BEAM ASSY IAW SRM 51-40-02-0G-0, DWG 110A0170, REV-, & DWG 144A1715, REV A.  REMOVED STIFFENER BS 639 - 663, RBL 69.5, WL 204 IAW SRM 51-40-02-0G-0.  INSTALLED STIFFENER IAW SRM 51-40-02-0G-0 & DWG 144A7301 REV-. CAP SEAL & FILLET SEAL APPLIED AROUND THE FASTENERS OUTSIDE & INSIDE AREA OF STUB BEAM ASSY.

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