Service difficulty report · Trunnion · Boeing 747409

Difficulty date
December 2, 2024
Submitted
December 4, 2024
Operation
Air carrier
Aircraft
N780BA
Make and model
Boeing 747409
Aircraft serial
24310
Aircraft time
90,839 hours, 17,060 cycles
Part
Trunnion
Part number
65B044745
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

CORROSION ON FITTING (PIN: 65B04474-5) OF LH MLG TRUNNION BACK-UP BETWEEN STA 1480 AND STA 1520. LBL 16.0.(<P>1. REMOVED DAMAGE FITTING IAW SRM 51-40-02-0G-0 REV.59. 2. FABRICATE FITTING IAW EL NO: T2024A53M-2718 REV.0. 3. INSTALL FABRICATE FITTING IAW SRM 51-40-02-0G-0 REV.59 AND DWG NO: 65B04271 SH4 REV.- & 65B15085 SH9 REV.K. 4. JOB COMPLETED AND CONDITION CHECK NORMAL. 5. ACCOMPLISHED EL NO. T2024A53M-2718 REV.1.</P>)