Service difficulty report · Web · Boeing 7377H4

Difficulty date
May 1, 2025
Submitted
May 22, 2025
Operation
Air carrier
Aircraft
N440LV
Make and model
Boeing 7377H4
Aircraft serial
29835
Aircraft time
72,273 hours, 42,996 cycles
Part
Web
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
E
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 INDICATION ON HORIZONTAL PRESSURE DECK WEB LBL 31 STA 663 AT PASSENGER CABIN (1E/A). CRACK LENGTH APPROX. 0.600 INCHES. 2025-296071<[01]. TOOL USED IN STEP 6: ET EQUIPMENT; P/N: NORTEC 600D; S/N: 200053402 DUE DATE: 16-SEP-25; [02] TOOL USED IN STEP 7: ET EQUIPMENT; P/N: NORTEC 600D; S/N: 200053402 DUE DATE: 16-SEP-25; [03] PERFORMED PERMANENT REPAIR CATEGORY A LOC HORIZONTAL PRESSURE DECK BTW LBL 25 TO LBL 60 BS 663.75 TO BS 675 AT PASSENGER CABIN IAW B737-700 SRM 53-40-51-2R-2 SEE INDIVIDUAL SIGN OFF BELOW.; [04] TASK COMPLETED; SEE INDIVIDUAL SIGN-OFF BELOW RII.

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