Service difficulty report · Door · Boeing 7377H4

Difficulty date
July 18, 2022
Submitted
August 12, 2022
Operation
Air carrier
Aircraft
N260WN
Make and model
Boeing 7377H4
Aircraft serial
32518
Aircraft time
52,920 hours, 31,399 cycles
Part
Door
Condition
Corroded
Location
Fuselage
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

TOILET SERVICE DOOR 145AL INNER UPPER SKIN AND HINGES CORRODED / [01] FOUND DEEP EXFOLIATING CORROSION THAT IS OUT OF LIMITS. DOOR NEEDS REPLACEMENT REF B 737-700 SRM52-40-01-1A-4;[02] REMOVED WASTE TANK SERVICE PANEL IN REF. AMM 52-49-07-000-801.;[03] VERIFIED STEP 2;OK TREAT AND PRIME.;[04] TREATED AND PRIMED WASTE TANK SERVICE PANEL IN REF. AMM 51-21-41-370-803; AMM 51-21-72-370-804.;[05] TREATED AND PRIMED NEW SERVICEABLE WASTE TANK SERVICE PANEL IN REF. AMM 51-21-41-370-803; AMM 51-21-72-370-804.;[06] VERIFIED TREAT AND PRIME;OK TO TOP COAT.;[07] APPLIED TOPCOAT AT NEW SERVICEABLE TOILET SERVICE DOOR REF B 737-700 AMM 51-21-73-370-803. WORK WAS ACCOMPLISHED BY TECHNICIAN ROBERT PERNERAT EMPL # 34877;[08] VERIFIED TOP COAT APPLICATION;OK TO INSTALL;[09] INSTALLED TOILET SERVICE DOOR REF. B737-700 AMM 52-49-07-400-801.;[10] INSTALLED TOILET SERVICE DOOR REF. B737-700 AMM 52-49-07-400-801.<BR>BONDING METER: S/N 17-0018<BR>CALIBRATION DUE 04/2023;[11] VERIFIED STEP 10

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