# SDR SWAA2022012809760

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2017
- Submitted: January 31, 2022
- Operation: Air carrier
- Aircraft: [N229WN](https://openairdocs.org/aircraft/N229WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32498
- Aircraft time: 41,142 hours, 24,039 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Aft Cargo Bay
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022012809760

## Discrepancy

AFT PIT RH Z-ANGLE HAS SPOTS OF CORROSION FROM STA 727 E TO 767 / AFT PIT RH Z-ANGLE HAS SPOTS OF CORROSION FROM STA 727 E TO 767 BLENDED CORROSION AND VERIFIED WITH 10X IAW SAM 51-10-07 VERIFIED LIMITS AND FOUND ORIGINAL THICKNESS TO BE .040' REMAINING;. .030' WITH A LOSS OF .010' FOUND TO BE OUT OF LIMITS IAW SAM 53-00-53-1A-2 REMOVED AND REPLACED Z ANGLE ON NON ROUTINE X612511

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.