# SDR SWAA2023031503887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2023
- Submitted: March 15, 2023
- Operation: Air carrier
- Aircraft: [N7745A](https://openairdocs.org/aircraft/N7745A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33933
- Aircraft time: 49,824 hours, 25,581 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023031503887

## Discrepancy

CORROSION WEB - INTERCOSTAL LOCATED BS847 TO BS 867 AND S-25R WL 156 AT AFT CARGO COMPARTMENT 2023-119595 CORROSION WEB - INTERCOSTAL LOCATED BS847 TO BS 867 AND S-25R WL 156.5 AT AFT CARGO COMPARTMENT<[01] REPLACED WEB-INTERCOSTAL (SHIELD) LOCATED ON BS 847 TO BS 867 AND S-25R WL 156 AT AFT CARGO COMPARTMENT IAW B737-700 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG NO. 146A0081; SHEET 31; REV. -<BR>SEE INDIVIDUAL SIGNOFFS BELOW.;[02] CORRECTED STEP 1.<BR> REPLACED WEB-INTERCOSTAL (SHIELD) LOCATED ON BS 847 TO BS 867 AND S-25R WL 156.5 AT AFT CARGO COMPARTMENT IAW B737-700 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG NO. 146A0081; SHEET 31; REV. -<BR>SEE INDIVIDUAL SIGNOFFS BELOW.;[03] REPLACED WEB-INTERCOSTAL (SHIELD) LOCATED ON BS 847 TO BS 867 AND S-25R WL 156.5 AT AFT CARGO COMPARTMENT IAW B737-700 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG NO. 146A0081; SHEET 31; REV. - <BR>SEE INDIVIDUAL SIGNOFFS BELOW.<BR>RII

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