Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 1, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N233LV
Make and model
Boeing 7377H4
Aircraft serial
32501
Aircraft time
57,100 hours, 34,088 cycles
Part
Stiffener
Condition
Cracked
Location
Zn 500 Left Wing
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

A225-008 #1 I/B FAN COWLI OIL ACCESS DOOR AFT INTERIOR STIFFNER CRACKED.<[01] REMOVED CRACKED STIFFENER IAW SRM 51-40-02-0G-0.;[02] DRILLED NEW P/N 314-2259-4 SHIELD IAW SRM 51-40-05-0G-0 AND CMM 71-13-30.;[03] VERIFIED STEPS AND OK TO INSTALL;[04] STARTED INSTALLING SHIELD IAW SRM 51-40-02-0G-0 AND CMM 71-13-30.;[05] COMPLETED INSTALLING SHIELD IAW SRM 51-40-02-0G-0 AND CMM 71-13-30;[06] VERIFIED JOB IS COMPLETE;[07] UPDATED MEASUREMENTS;[08] VERIFIED STEPS 4; 5; 6 & 7; JOB COMPLETE; AUDIT C/W

More about the Boeing 737-7H4