# SDR SWAA2025072490005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2025
- Submitted: July 24, 2025
- Operation: Air carrier
- Aircraft: [N963WN](https://openairdocs.org/aircraft/N963WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36676
- Aircraft time: 44,502 hours, 27,369 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: BAC1496377
- Condition: Corroded
- 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/SWAA2025072490005

## Discrepancy

AFT CARGO RIGHT Z ANGLE HAS CORROSION AROUND SEVERAL FASTENERS HOLES, BETWEEN BS 727A+17 - 727C+4.  REMOVED CORROSION & VERIFIED WITH A 10X POWER MAGNIFYING GLASS IAW SRM 53-00-53-1A-2. EVALUATED REWORKED AREA WITH ORIGINAL THICKNESS 0.040, REMAINING THICKNESS:0.032, MAT LOSS:0.008.  MAXIMUM OF 0.10T DEPTH OF THE MATERIAL THAT WAS REMOVED ON ALLOWABLE DAMAGE.  OUT OF LIMITS IAW SRM 53-00-53-1A-2.  REMOVED AND FABRICATED NEW Z ANGLE. INSTALLED NEW Z ANGLE.

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