Service difficulty report · Trunnion · Boeing 7378F2

Difficulty date
February 1, 2026
Submitted
February 11, 2026
Operation
Air carrier
Aircraft
N829SY
Make and model
Boeing 7378F2
Aircraft serial
34414
Aircraft time
57,838 hours, 29,721 cycles
Part
Trunnion
Condition
Corroded
Location
Zone 500
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

RIGHT WING FWD MLG TRUNNION MOUNT, AFT OF FWD SPAR AT L/H I/B UPPER AND LOWER MOUNT BOLT SLEEVE, INNER SIDE SHOW SIGNS OF CORROSION - - REMOVED AND REPLACED BUSHINGS RIGHT WING FWD MLG AND LOWER MOUNT IAW SRM 57-20-90-2R-2 AND 57-20-90 2R3 REV.86 10NOV2025

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