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 #4 LOWER I/B INNER FACE SHOWS EVIDENCE OF CORROSION. DOT 82-072. / AT LEFT MLG TRUNNION FIITTING LOCATION #4 LOWER I/B INNER FACE SPOT FACED AREA TO A DEPTH OF 0.060' AND DIAMETER OF 2.750' NO SIGNS OF CORROSION REMAIN PER B737-700 SRM 57-20-90-2R-2 INSTALLED SERVICABLE BUSHING PER B737-700 SOPM 20-50-03 SERVICEABLE LEFT FWD MLG TRUNNION BEARING ASSY TO BE INSTALLED ON CUSTOMER CARD 732-11-01 POS1.

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