# SDR SWAA2020090209436

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2020
- Submitted: September 2, 2020
- Operation: Air carrier
- Aircraft: [N8648A](https://openairdocs.org/aircraft/N8648A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42531
- Aircraft time: 21,266 hours, 9,375 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 727g-807
- 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/SWAA2020090209436

## Discrepancy

AFT CARGO PIT LT Z ANGLE HAS VARIOUS SPOTS OF CORROSION (MARKED IN RED) FROM STA 727G TO 807.LBL 21; WL 156.1.  REMOVED CORROSION FROM AFT CARGO BAY LT ZEE ANGLE LBL 21 WL 156.1 STA 727G TO STA 807 AND INSPECTED W/ 10X MAG GLASS.  NO DEFECTS NOTED.  VERIFIED LIMITS TO BE = .004' MATERIAL LOSS = .020' ORIGINAL T = .040'.  SECTION OF ZEE ANGLE BETWEEN 747 TO 847 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2.  FABRICATED NEE ZEE ANGLE AND REPAIR PARTS IAW SRM 53-00-53-2R-5.  INSTALLED NEW ZEE ANGLE STA 727J+11' TO STA 847 IAW SRM 51-40-02-0G-0 AND DWG 146A7500 REV.  APPLIED CIC TO LOWER AND UPPER SURFACE IAW AMM 51-21-91-620-802 P/N 146A7502-31.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.