Service difficulty report · Door · Boeing 7377H4

Difficulty date
June 14, 2022
Submitted
July 14, 2022
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
59,468 hours, 35,169 cycles
Part
Door
Condition
Corroded
Location
Aft Cabin
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

DOOR 145AL (TOILET SERVICE DOOR) INNER SURFACE IS CORRODED AT SEVERAL LOCATIONS. / [01] REMOVED TOILET SERVICE DOOR 145AL PER AMM#52-49-07-000-801;[02] FOUND SRM 52-40-01-1A-4 TO BE APPLICABLE TO THIS REPAIR.<BR><BR>REMOVED DAMAGE IN MULTIPLE LOCATIONS LOCATED ON TOILET SERVICE DOOR INNER SURFACE. THE DEEPEST MEASURES 1.0' X 2.4' X 0.014' ORIGINAL THICKNESS IN POCKET IS 0.060' PER SRM 52-40-01-0I-4 TABLE 2. ITEM 1. FOUND TO BE IN LIMITS PER SRM 52-40-01-1A-4. USED CALIBRATED GAUGE ID: ATS2592 S/N:F01852.;[03] VERIFIED CORRECTIVE ACTION 2 AND MEASUREMENT TABLE LESS ITEM 5 AND 14.;[04] APPLIED CHEMICAL CONVERSION COATING PER SRM 51-20-01. APPLIED TWO LAYERS OF PRIMER PER SOPM 20-40-02.;[05] VERIFIED CORRECTIVE ACTION 4.;[06] APPLIED NEW PLACARDS PER AIPC 11-20-51-09 AND SOPM 20-10-14-400-801. INSTALLED TOILET SERVICE DOOR 145AL PER AMM 52-49-07-400-801. BONDING CHECK GOOD. USED CALIBRATED TOOL- BONDING METER ID: ATS1256 S/N:DC003960.;[07] VERIFIED CORRECTIVE ACTION 6

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