Service difficulty report · Trunnion · Boeing 737890

Difficulty date
September 27, 2026
Submitted
October 20, 2026
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
64,427 hours, 19,256 cycles
Part
Trunnion
Part number
115A500212
Condition
Corroded
Location
Zone 600
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 MAIN GEAR FWD TRUNNION MOUNT FITTING, UPPER OUTBOARD BUSHING BORE HAS CORROSION ON OUTBOARD FACE & IN THE BORE. GROUNDED - YES. REPAIRED RH GEAR FWD TRUNNION MOUNT SUPPORT FITTING UPPER O/B BUSHING BORE & OUTER BORE FACE SURFACE IAW BOEING 737-800 SRM 57-20-90 2R-2 REPAIR 2 STEP 4 W=.150 O=1.175 R=1.150 L=.260 D=.025.