# SDR SWAA2023082282350

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2023
- Submitted: August 22, 2023
- Operation: Air carrier
- Aircraft: [N292WN](https://openairdocs.org/aircraft/N292WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32538
- Aircraft time: 51,861 hours, 31,244 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 200 Fus Top
- 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/SWAA2023082282350

## Discrepancy

CORROSION ON AFT CARGO BAY INTERCOSTAL ANGLE BELOW SHIELD BS 767+2 RBL 21 WL 156<[01] VERIFIED STEP 1.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[02] REMOVED INTERCOSTAL ANGLE BELOW SHIELD BS 767- 787 RBL 21 WL 156 PER SRM 51-40-02-0G-0.;[03] LOCATED; DRILLED; DEBURRED AND INSTALLED NUT PLATES ON NEW INTERCOSTAL ANGLE BELOW SHIELD BS 767-787 RBL 21; WL 156 PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A8123; DWG 146A0081.;[04] VERIFIED CORRECTIVE ACTION #3.;[05] OK TO INSTALL INTERCOSTAL ANGLE BS 767-787 RBL 21 WL 156.;[06] VERIFIED OK TO INSTALL INTERCOSTAL ANGLE;[07] INSTALLED INTERCOSTAL ANGLE BELOW SHIELD BS 767-787 RBL21 WL 156 PER SRM 51-40-02-0G-0; DWG 146A8123.;[08] VERIFIED CORRECTIVE ACTION 7

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