Service difficulty report · Frame · Boeing 7377H4

Difficulty date
February 14, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N937WN
Make and model
Boeing 7377H4
Aircraft serial
36644
Aircraft time
39,004 hours, 23,596 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 FRAME ON BS 312 AT LEVEL UPPER FWD CORNER CUT OUT DOOR FWD GALLEY AND LAV LH / REPAIRED FRAME ON BS 312 AT LEVEL UPPER FWD CORNER CUT OUT DOOR FWD GALLEY AN LAV LH IAW B737-700 SRM 53-10-07-2R-1 FIG 203 SHEET 1. THIS REPAIR IS CONSIDERED CATEGORY 'B' AND RE-INSPECTION IS REQUIRED AT 50;000 TOTAL FLIGHT CYCLES OR 12;000 FLIGHT CYCLES AFTER REPAIR INSTALLATION WHICHEVER IS LATER . FOR INSPECTION REQUIREMENT SEE TLD #T080520

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