# SDR F3LA200200269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2002
- Submitted: October 3, 2002
- Operation: Air carrier
- Aircraft: N578US
- Make and model: Boeing 737301
- Aircraft serial: 23257
- Aircraft time: 55,067 hours, 31,976 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/F3LA200200269

## Discrepancy

DURING C-4 CHECK, INSPECTION REPORTED LT.  AFT LAVATORY WALL HAT CHANNEL, BS 992, CORRODED BEYOND LIMITS PER SRM 53-60-51.  FABRICATED AND INSTALLED REPLACEMENT PARTS PER SRM 51-40-02, 51-4-05 AND SOPM 20-44-04.

---
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.