Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
February 17, 2023
Submitted
March 15, 2023
Operation
Air carrier
Aircraft
N7745A
Make and model
Boeing 7377BD
Aircraft serial
33933
Aircraft time
49,824 hours, 25,581 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 100 Fus Lower
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 WEB - INTERCOSTAL LOCATED ON FLOOR STRUCTURE BTW BS277 AND BS294.5 ON BL0 AT FWD GALLEY AREA 2023-119601<[01] REPLACED WEB AND FASTENERS LOCATED ON FLOOR STRUCTURE BTW BS277 AND BS294.5 ON BL0 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02; SRM 51-10-02;DRAWING 141A5400 SHEET 20 REV.-;[02] CORRECTED STEP 1 REPLACED WEB AND FASTENERS LOCATED ON FLOOR STRUCTURE BTW BS277 AND BS294.5 ON BL0 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02; SRM 51-10-02;DRAWING 141A5400 SHEET 20 REV.-<BR>SEE INDIVIDUAL SIGNS-OFF BELOW;[03] CORRECTIVE ACTIONS STEP 2 CERTIFIED RII

More about the Boeing 737-7BD