Service difficulty report · Access Door · Boeing 7377H4

Difficulty date
April 16, 2026
Submitted
May 7, 2026
Operation
Air carrier
Aircraft
N467WN
Make and model
Boeing 7377H4
Aircraft serial
33830
Aircraft time
72,228 hours, 43,199 cycles
Part
Access Door
Condition
Corroded
Location
Tail Cone
Stage of operation
IN
How discovered
V
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 ACCESS DOOR 311BL INERNAL DOUBLER AT TAIL CONE 2026-255586<[01] TOOL USED P/N: NORTEC 500D; S/N: N500X1693P030456; CAL DUE: 25-MAY-26.;[02] TOOL USED P/N: 45MG; S/N: 242232211; CAL DUE: 15-DEC-26;[03] ON STEP 7: TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC 600D; SN: 250573506; DUE DATE: 25 JUN 26;[04] TOOL USED STEP 8: UT THICKNESS GAGE; PN: 45MG; SN: 130064101; CAL DUE DATE: 13-FEB-27;[05] PERFORMED PERMANENT REPAIR ON SERVICE ACCESS DOOR 311BL. IAW B737-700 AND EA# 26-152-01118-WIP1; EA# 26-152-01118-WIP2 & SUMMARY 26-152-01118. SEE INDIVIDUAL SING OFF BELOW.;[06] PERFORMED PERMANENT REPAIR ON SERVICE ACCESS DOOR 311BL. IAW B737-700 AND EA# 26-152-01118-WIP1; EA# 26-152-01118-WIP2 & SUMMARY 26-152-01118. SEE INDIVIDUAL SING OFF BELOW.

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