Service difficulty report · Door · Boeing 7377H4

Difficulty date
February 3, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N404WN
Make and model
Boeing 7377H4
Aircraft serial
27892
Aircraft time
72,784 hours, 43,149 cycles
Part
Door
Condition
Corroded
Location
Zn 800 Door
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

LAV SERVICE DOOR HAS CORROSION ON INNER SURFACE AT BONDING JUMPER ATTACH POINT<[01] EVALUATED CORROSION ON LAV SERVICE DOOR AT BONDING JUMPER ATTACH POINT; FOUND 0.030 REMOVED FROM ORIG 0.100 IN 1'X1' FOUND TO BE OUT OF LIMITS PER SRM 52-40-01-1A-4 USING DIAL DEPTH GAUGE ATS 2473 DUE 08/2023;[02] VERIFIED CORRECTIVE ACTION #1 AND MEASUREMENT FIELD.;[03] RECEIVED NEW LAV DOOR ON PO #904689 REMOVED LAV DOOR INSTALLED NEW LAV DOOR USING BONDING METER ID # ATS1571 DUE 08/2023 BOND CHECK GOOD IAW MM 52-49-07;[04] VERIFIED CORRECTIVE ACTION 1

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