Service difficulty report · Trunnion · Boeing 7377H4

Difficulty date
June 20, 2019
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N418WN
Make and model
Boeing 7377H4
Aircraft serial
29823
Aircraft time
60,905 hours, 35,626 cycles
Part
Trunnion
Condition
Corroded
Location
Wheel Well Lh
Stage of operation
IN
How discovered
9
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

LT MLG FWD TRUNNION LOCATION #2 UPPER I/B OUTER FACE AND BORE SHOWS EVIDENCE OF CORROSION. DOT 82-070 / AT LEFT MLG TRUNNION FIITTING LOCATION#2 I/B OUTER FACE SPOT-FACED AREA DEPTH OF 0.210' AND DIAMETER OF 3.00' AND REAMED UPPER I/B BORE TO A BORE DIAMETEROF 1.580' NO SIGN OF CORROSION REMAIN PER B737-700 SRM 37-20-90-2R-2 LEFT MLG FWD TRUNNION BEARING TO BE INSTALLED ON CUSTOMER CARD 732-11-01.

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