Service difficulty report · Frame · Boeing 7377H4

Difficulty date
March 24, 2025
Submitted
April 30, 2025
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
65,130 hours, 38,662 cycles
Part
Frame
Condition
Cracked
Location
Zone 100
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 LOCATED BS259.5 BTW STR8R TO STR9R AT PASSENGER CABIN 2025-224171<[01] STEP 4 TOOL USED: EDDY CURRENT EQUIPMENT PN: NORTEC 600D SN: 210138003 DUE DATE: 11-JUN-25;[02] REPAIRED FRAME - WEB AT BSTA 259.5 - BTW WL 240 & WL 280 AND BTW RBL 20 AND RBL 50 IAW EA#25-153-00828-WIP1;25-153-00828-WIP2 AND SUMMARY EA#25-153-00828 SEE INDIVIDUAL SIGNOFF BELOW.;[03] REPAIRED FRAME - WEB AT BSTA 259.5 - BTW WL 240 & WL 280 AND BTW RBL 20 AND RBL 50 IAW EA#25-153-00828-WIP1;25-153-00828-WIP2 AND SUMMARY EA#25-153-00828 SEE INDIVIDUAL SIGNOFF BELOW.

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