Service difficulty report · Frame · Boeing 7377H4

Difficulty date
June 25, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N419WN
Make and model
Boeing 7377H4
Aircraft serial
29824
Aircraft time
64,912 hours, 38,308 cycles
Part
Frame
Condition
Cracked
Location
Bs 312
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

CRACK FRAME ON BS 312 AT UPPER FWD CORNER CUT OUT FWD ENTRY DOOR FWD GALLEY AND LAV ; 2021-295472 / [01] TOOL USED: PRECISION RADIUS GAUGE: PN S167C; SN:AE-35945 DUE DATE: 26MAY22; [02] TOOL USED: P/N: NORTEC 600D; S/N: 200048001; DUE DATE: 24-FEB-22; [03] TOOL USED: P/N: NORTEC 600D; S/N: 200048001; DUE DATE: 24-FEB-22; [04] TOOL USED DIGITAL CALIPER P/N: 500-464. S/N: 11228551 DUE DATE 20/APR/22; [05] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 22-JAN-22. TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 22-JAN-22.; [06] PERFORMED REPAIR ON FRAME LOCATED. BS 312 AT UPPER FWD CORNER CUT OUT FWD ENTRY DOOR FWD GALLEY AND LAV. I.A.W. B737-700 SRM 53-10-07-2R-1; REPAIR 1.; [07] PERFORMED REPAIR ON FRAME LOCATED. BS 312 AT UPPER FWD CORNER CUT OUT FWD ENTRY DOOR FWD GALLEY AND LAV. I.A.W. B737-700 SRM 53-10-07-2R-1; REPAIR 1.RII

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