# SDR SWAA2021072713011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2020
- Submitted: July 27, 2021
- Operation: Air carrier
- Aircraft: [N7857B](https://openairdocs.org/aircraft/N7857B), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 29358
- Aircraft time: 45,651 hours, 31,158 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Part number: 146A812712
- Condition: Corroded
- Location: Bs 767-787
- 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/SWAA2021072713011

## Discrepancy

DURING DTIP INSPECTION; AFT CARGO COMPARTMENT FLOOR STRUCTURE STA 767 TO 787; RBL 20; WL 156 SHIELD HAS CORROSION. / DAMAGED SHIELD LOCATED AT AFT CARGO COMPARTMENT FLOOR STRUCTURE STA 767-787; RBL 20; WL 156 FOUND TO HAVE 100% MATERIAL LOSS. PART FAOUND OUT OF LIMITS IAW B-737 SRM 53-00-53-1A-2. NEW PARTS FASTENER LOCATION S LOCATED AND DRILLED IAW B737 SRM 51-40-05-0G-0. DAMAGED PART REMOVED AND REPLACED NEW IAW B 737 SRM 51-40-02-0G-0. CIC APPLIED IAW B-737 AMM 51-21-91-620-802. P/N 146A8127-12 A-TAG #WN5952

---
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.