# SDR SWAA2024030547685

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2024
- Submitted: March 5, 2024
- Operation: Air carrier
- Aircraft: N238WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34713
- Aircraft time: 58,632 hours, 35,085 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sidewall Support
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 727f-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/SWAA2024030547685

## Discrepancy

AFT CARGO LH SIDEWALL SUPPORT SECTION FROM BS 727F TO 787 HAS MULTIPLE CORROSION AROUND NUTPLATE HOLES; WL 150; LBL 21.0<[01] VERIFIED STEP 9 COMPLETE; STEP 10 IN PARTIAL.;[02] REMOVED AND REPLACE (1EA.) ZEE CHANNEL SIDEPLATE AT ACB BETWENN BS 727E+10 - BS 847 & RIVETED WITH (1AE.) SPLICE SIDEPLATE AT SIDEWALL SUPPORT LOCATED AT BS 727E+10 WL 150. LBL.21 IAW B-737-700 SRM 53-00-53-2R-6; AND INSTALLATION DWG# 143A7500 REV: A.<BR>ALL STEPS COMPLETED.;[03] VERIFIED CORRECTIVE ACTION 2

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