# SDR CAL960138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N73751
- Make and model: Boeing 727227
- Aircraft serial: 21247
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Hat Section
- Condition: Corroded
- Location: Lav Floor
- Part time: 49,249 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CAL960138

## Discrepancy

STATION 31J - INSPECTION FOUND FORWARD LAV FLOOR HAT SECTION CORRODED UNDER LAV DOOR AND INBOARD WALL.  THE HAT SECTION WAS REMOVED.  A NEW HAT SECTION WAS FABRICATED AND INSTALLED IAW SRM 51-10-1, PAGE 4, 51-30-5, 51-30-8, 51-30-3, 51-30-2, 51-30-4, 51-10-2, AND MM 51-20-0.  (M)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.