# SDR F3LA200300083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2003
- Submitted: February 24, 2003
- Operation: Air carrier
- Aircraft: N921WA
- Make and model: Boeing 737-2Y5
- Registry model: [Boeing 737-2Y5](https://openairdocs.org/model/boeing-737-2y5) (OpenAirDocs)
- Aircraft serial: 23039
- Aircraft time: 63,176 hours, 31,418 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Fuselage
- 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/F3LA200300083

## Discrepancy

DURING C-4 CHECK, INSPECTION REPORTED CORROSION IN SCREW HOLES OF FWD LAVATORY AFT BULKHEAD ATTACH ANGLE, HAT SECTION, STA. 312, LBL 12 TO LBL 42.  REMOVED HAT SECTION PER SRM 51-30-2.  FABRICATED AND INSTALLED NEW HAT SECTION PER SRM 51-10-1, SRM 51-30-2 AND SOPM 20-41-02.

---
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.