# SDR SWAA2021070682536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2021
- Submitted: July 6, 2021
- Operation: Air carrier
- Aircraft: N736SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27868
- Aircraft time: 74,899 hours, 44,315 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Bs 494-500a
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021070682536

## Discrepancy

CORROSION WEB - INTERCOSTAL BTW BS 494 TO BS 500A AT LEVEL STR 25R AND RBL 23 AT FWD CARGO COMPARTMENT ; 2021-257941 / [01] REPLACED WEB INTERCOSTAL (SHIELD) LOCATED BTW BS 494 TO BS 500A AT LEVEL STR 25R AND RBL 23 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; 51-10-02 AND DRAWING 143A0080. REV -; [02] REPLACED WEB INTERCOSTAL (SHIELD) LOCATED BTW BS 494 TO BS 500A AT LEVEL STR 25R AND RBL 23 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; 51-10-02 AND DRAWING 143A0080. REV - RII

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