Service difficulty report · Fitting · Boeing 767381

Difficulty date
April 23, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N431AZ
Make and model
Boeing 767381
Aircraft serial
24632
Aircraft time
83,617 hours, 36,808 cycles
Part
Fitting
Part number
145T25238
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

BS 954 RBL 99-113 WL 171-148, SIDE FITTING PN 145T2523-8 HAS NUMEROUS AREAS OF LIGHT CORROSION CIT THE LWR FORWARD MATTING SURFACE (FORK)_ NOTE: CLOSEST AREA OF CORROSION TO A FASTENER IS .20" FOR ITEM 1 ONLY. STA 954 RBL 99 WL 142 SIDE FITTING PN 145T2523-8 FASTENER HOLE HAD CORROSION SURROUNDING MAJORITY OF THE HOLE, WITH ONE AREA MEASURING .2"LX .06"WX .035" DEPTH. NOTE: HOLE 1 PER SB 767-53-0116 FIGURE 22 (SHEET 4 OF 11). REF. BOEING REPAIR AGREEMENT TIN-RE-2201692 FRR-9