Service difficulty report · Door · Boeing 7377H4

Difficulty date
April 25, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 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

CORROSION ON FWD ENTRY DOOR MOP SILL; BS 294.3+8; LBL 60; WL 208.<[01] VERIFIED APPLICABILITY OF SRM 53-10-15-1A-1-A00051 ALLOWABLE DAMAGE (PERMANENT (NON-DENT DAMAGE TYPES));[02] REMOVED CORROSION ON FWD ENTRY DOOR MOP SILL IAW SRM 51-10-02-0G-0 L=3.680'' X W=1.740'' X D=0.020'' ORIGINAL THICKNESS=0.090''. EVALUATED BLENDED AREA AND FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-1 PART 4.C(2) FIG.108 DETAIL D. TOOL USED CALIPER ID: ATS2500 CAL DUE DATE:04/2024; MICROMETER ATS2826 CAL DUE DATE:01/2024.;[03] PART REPLACEMENT IS DOCUMENTED ON CUSTOMER CARD# TTG8Q00KN9BV.;[04] VERIFIED CORRECTIVE ACTION 1; 2 AND 3

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