Service difficulty report · Pressure Deck · Boeing 73779P

Difficulty date
December 15, 2024
Submitted
January 22, 2025
Operation
Air carrier
Aircraft
N7855A
Make and model
Boeing 73779P
Aircraft serial
29357
Aircraft time
58,892 hours, 38,173 cycles
Part
Pressure Deck
Condition
Cracked
Location
Zone 200
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 INDICATION ON HORIZONTAL PRESSURE DECK WEB RBL 40 STA 663 AT PASSENGER CABIN (1E/A). CRACK LENGTH APPROX. 0.375 INCH 2024-766037<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 210138503; DUE DATE: 05-AUG-25.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 210138503; DUE DATE: 05-AUG-25.;[03] PERFORMED PERMANENT REPAIR CATEGORY A ;ON HORIZONTAL PRESSURE DECK WEB BTW RBL 30 TO RBL 60 STA 663.75 TO STA 675 AT PASSENGER IAW B737-700 SRM 53-40-51-2R-2 AND DWG 144A7710. SEE INDIVIDUAL SIGNOFFS BELOW.;[04] RII COMPLETED JOB

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