# SDR SWAA2020101419400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2020
- Submitted: October 14, 2020
- Operation: Air carrier
- Aircraft: [N8644C](https://openairdocs.org/aircraft/N8644C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 35973
- Aircraft time: 20,442 hours, 9,111 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 146A7500
- Condition: Corroded
- Location: Bs 727h-847
- 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/SWAA2020101419400

## Discrepancy

AFT CARGO COMPARTMENT STA 727H TO STA 847; LBL 21 AND WL 155 L\H Z ANGLE HAS CORROSION. / REMOVED CORROSION FROM L/H ZEE ANGLE AFT CARGO BAY STA 727H TO STA 847 LBL 21 WL 155 IAW 51-10-02-0G-0 PAR 15 AND VERIFIED W/ 10X MAG GLASS. VERIFIED LIMITS BETWEEN STA 727H+16' TO 787: ORIGINAL T= .040' REMAINING T= .020' LOSS = .020' LIMITS .004' AFT CARGO L/H ZEE ANGLE STA 727H+16' TO 787 IS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED L/H ZEE ANGLE STA 727H+10' TO STA 787+6'. FABRICATED NEW ZEE ANGLE IAW SRM 53-00-53-2R-5 REPAIR 5. INSTALLED NEW ZEE ANGLE IAW SRM 51-40-02-0G-0 AND DWG 146A7500 REV - APPLIED CIC TO LOWER AND UPPER SURFACES OF NEW ZEE ANGLE 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.