# SDR SWAA2024012939679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2024
- Submitted: January 29, 2024
- Operation: Air carrier
- Aircraft: [N8678E](https://openairdocs.org/aircraft/N8678E), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36735
- Aircraft time: 27,158 hours, 13,228 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: UNKNOWN
- Condition: Corroded
- Location: Threshold
- 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/SWAA2024012939679

## Discrepancy

CORROSION FWD CARGO BAY SUB THRESHOLD WEB MULTIPLE AREAS AROUND NUT PLATE HOLES BS440+5' TO BS490' RBL 26 WL156<[01] REMOVED; LOCATED; DRILLED; AND INSTALLED FWD CARGO BAY SUB THRESHOLD WEB BS440 TO BS492 RBL 26 WL156 IAW SRM 51-40-02-0G-0 AND DWG 143A8330;[02] CORROSION ON WEB WAS FOUND TO BE OUT OF LIMITS; REMOVED AND REPLACED WEB AS PER SRM 51-40-02-0G-0 AND DWG 143A8330.;[03] INCORRECT LABOR ROW WAS SELECTED FOR CORRECTION ACTION STEP 2.;[04] CORROSION ON WEB WAS FOUND TO BE OUT OF LIMITS; REMOVED AND REPLACED WEB AS PER SRM 51-40-02-0G-0 AND DWG 143A8330.;[05] VERIFIED CORRECTIVE ACTION 4 AND MEASUREMENT TABLE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.