Service difficulty report · Frame · Boeing 7377H4

Difficulty date
February 6, 2021
Submitted
March 25, 2021
Operation
Air carrier
Aircraft
N404WN
Make and model
Boeing 7377H4
Aircraft serial
27892
Aircraft time
67,080 hours, 39,612 cycles
Part
Frame
Condition
Cracked
Location
Fuselage
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

CRACK ON FRAME AT RADIUS ABOVE FWD ENTRY DOOR BS312 11' BELOW S-4L WL283. MARKED / REMOVED DAMAGE FROM FRAME AT RADIUS ABOVE FWD ENTRY DOOR BS 312; 11' BELOW S-4L WL 283; REMOVED AREA IS 0.3' X 0.2'; HFEC INSPECTION PERFORMED; NO CRACKS FOUND; APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 51-10-02 AND SOPM 20-41-02. DAMAGE REMOVAL AND REPAIR IS ACCOMPLISHED ON EA 21-153-00547 REV IR AND ATS ER 21-01377 REV IR 49570U 07MAR21 LEAD 838 07MAR21

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