Service difficulty report · Trunnion Fitting · Boeing 747123

Difficulty date
January 31, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N671UP
Make and model
Boeing 747123
Aircraft serial
20323
Part
Trunnion Fitting
Condition
Corroded
Location
Nlg
Stage of operation
IN
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

INSPECTION TYPE: C. FOUND DURING INSPECTION OF NLG FITTINGS, CORROSION ON THE INBOARD SIDE FACE OF RT AND LT TRUNNION CAP AND SOME CORROSION ON THE INSIDE OF BOTH FITTINGS. REPAIRED LT AND RT NLG TRUNNION FITTINGS ACC. SRM.53-10-08. MACHINED LT TRUNNION FITTING BORE TO 4.330 INCH DIAMETER. MACHINED RT TRUNNION FITTING BORE TO 4.2953 INCH DIAMETER. REMOVED MATERIAL IN LIMIT ACC. SRM. 53-10-08 PAGE 7.