Service difficulty report · Access Panel · Boeing 7377H4

Difficulty date
July 28, 2023
Submitted
August 28, 2023
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
57,834 hours, 34,664 cycles
Part
Access Panel
Part number
UNKNOWN
Condition
Cracked
Location
Zn 500 Left Wing
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

L/H WING T/E ACCESS PANEL 561AB LOWER SKIN SURFACE AROUND FASTENER HOLES CRACKS.<[01] APPLIED TOPCOAT ON L/H WING T/E ACCESS PANEL 561AB LOWER SKIN SURFACE REF B 737 AMM 51-21-73-370-803;[02] APPLIED REPAIR IN DAMAGE AREA AROUND FASTENER HOLES ON PANEL #561AB AS PER B737 SRM 51-70-04-2R-9 PARA 4.L; M; N; MATERIAL USED PO#1775890; PO#2011230 AND PO#1690463;[03] VERIFIED STEP 2

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