Service difficulty report · Stiffener · Boeing 767338

Difficulty date
May 18, 2023
Submitted
May 22, 2023
Operation
Air carrier
Aircraft
N372CM
Make and model
Boeing 767338
Aircraft serial
25575
Aircraft time
95,745 hours, 32,383 cycles
Part
Stiffener
Part number
143T82157
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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

DURING WALK AROUND FOUND CORROSION IN FWD LWR CARGO DOOR JAMB (LWR FWD CORNER). LINE MX IN CVG REPORTS CORRODED STIFFENER (P/N 143T8215-7) DURING WORK TO DOOR SEAL DEPRESSOR. THIS REA PERMITS FABRICATION OF NEW STIFFENER TO BE CONSUMED IN THE REPAIR USING ALODINE FINISH, AND REPLACEMENT AT NEXT C-CHECK WITH ANODIZE FINISH. FABRICATION OF THE PART IS PER THE SRM AND SAMPLE. AIRCRAFT REPAIRED PER ABX-REA-5330-65035-00. AND RETURNED TO SERVICE.