# SDR SWAA2021021134262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2020
- Submitted: February 11, 2021
- Operation: Air carrier
- Aircraft: [N7713A](https://openairdocs.org/aircraft/N7713A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33919
- Aircraft time: 51,736 hours, 26,642 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 146A0681
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2021021134262

## Discrepancy

CORROSION WEB - INTERCOSTAL LOCATED BETWEEN BS847 TO BS867 AT RBBL21 AND WL156.5 AFT CARGO COMPARTMENT / REPLACED SHIELD LOCATED BETWEEN BS 847 TO BS 867 AT RBBL 21 AND WL156.5 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02; SRM 51-40-02 AND DRAWING #146A0081 SHEET 28 REV.A DUE TO NOT FOUND ALLOWABLE DAMAGE LIMITS IN B737-700 SRM MEASURE OF REWORK L=1.672'; W=1.368' SHIELD P/N 146A8127-10 IAW DWG #146A0681 SHEET 28 REV.A

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