Service difficulty report · Frame · Boeing 7377H4

Difficulty date
December 29, 2022
Submitted
January 31, 2023
Operation
Air carrier
Aircraft
N213WN
Make and model
Boeing 7377H4
Aircraft serial
34217
Aircraft time
58,853 hours, 35,162 cycles
Part
Frame
Part number
NOTREPORTED
Condition
Cracked
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

FWD CABIN FUS SUPPORT FRAME FLANGE CUTOUT CRACKED ABOVE L-1 DOOR CUTOUT @ STA 312<[01] PERFORMED HFEC INSP ON SUPPORT FRAME FLANGE CUTOUT CRACKED; IAW B 737 NDT PART 6 51-00-00 PROC 23. CRACK OF 0.250' LENGTH CONFIRMED. TOOL NORTEC 600. BC 166316. CALIB DUE 10-17-23.;[02] ACCOMPLISHED REPAIR AT FRAME STA 312 LBL33 BETWEEN S-5L AND S-6L PER EA M-22-153-01244 INSTRUCTIONS.;[03] VERIFIED STEP 2.

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