SDR DALA2015101406138

Service difficulty report · Pan · Boeing 757251

Difficulty date: October 13, 2015
Submitted: October 14, 2015
Operation: Air carrier
Aircraft: N540US
Make and model: Boeing 757251
Aircraft serial: 26487
Aircraft time: 54,847 hours, 22,634 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Pan
Condition: Corroded
Location: Lav Service
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT LAV SERVICE PANEL, PAN IS CORRODED AROUND DUMP TUBE, INTERIOR. EVALUATED CORROSION FOUND AFT LAV SERVICE PAN INTERNAL DOUBLER WITH 100 PERCENT MATERIAL LOSS REMOVED AND INSTALLED NEW INTERNAL DOUBLER IAW SRM 57-10-02, DWG 146N 36.50 PERFORMED TEST OF THE DRAIN DUCT HEATING GASKET IAW AMM 30-71-04-404-006 SUBTASK 704-025, STEP 9 PASS GOOD. PERFORMED LEAK CHECK ON AFT LAV WAST DRAIN SYSTEM IAW AMM 12-17-01, NO LEAKS NOTED.