Service difficulty report · Pressure Deck · Boeing 7377H4

Difficulty date
April 18, 2024
Submitted
May 30, 2024
Operation
Air carrier
Aircraft
N470WN
Make and model
Boeing 7377H4
Aircraft serial
33860
Aircraft time
66,313 hours, 39,674 cycles
Part
Pressure Deck
Part number
UNKNOWN
Condition
Cracked
Location
Bs 663 Lbl38
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 LBL 38 STA 663 AT PASSENGER CABIN (1E/A). CRACK LENGTH APPROX. 0.187 IN 2024-269954<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 210138503; DUE DATE: 21-JUL-24.;[02] PERFORMED PERMANENT REPAIR ON HORIZONTAL PRESSURE DECK WEB BTW LBL 25 TO LBL 65 AND BTW BS STA 663 TO BS 685 AT PASSENGER CABIN I.A.W B737-700 SRM 53-40-51-2R-2 REPAIR 2; SRM 51-40-02-0G-0; DWG# 144A7700; SHEET 132; REV.C. AND DWG# 144A7710; SHEET 99; REV.A. SEE INDIVIDUAL SIGN OF BELOW.;[03] RII COMPLETED JOB

More about the Boeing 737-7H4