Service difficulty report · Beam · Boeing 767338

Difficulty date
February 9, 2020
Submitted
February 13, 2020
Operation
Air carrier
Aircraft
N372CM
Make and model
Boeing 767338
Aircraft serial
25575
Aircraft time
88,128 hours, 29,518 cycles
Part
Beam
Part number
141T29393
Condition
Corroded
Location
Mlg Ww
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 MAINTENANCE VISIT AT HAECO GSO, MAINTENANCE REPORTED CORROSION DAMAGE ON THE NLG WHEEL WELL BEAM 141T2939-3, STA. 287, WL 147 APPROXIMATELY BETWEEN BL 0.0 AND LBL 5.0. CORROSION DAMAGES WAS REMOVED WITH MINIMUM REMAINING MATERIAL OF 0.349-INCH FROM INITIAL THICKNESS OF 0.450-INCH THICK, 22.44 PERCENT. THE MATERIAL LOSS IS CONSIDERED OUT OF LIMITS PER B767-300 SRM 53-10-14, ALLOWABLE DAMAGE 1, DETAIL V AND IX OF STABLISHED 10% REDUCTION OF INITIAL THICKNESS. THE B767-300 SRM 53-10-14 DOES NOT PROVIDE REPAIR PLAN FOR THE SUBJECT.