Service difficulty report · Retainer · Boeing 7377H4

Difficulty date
November 12, 2018
Submitted
February 28, 2022
Operation
Air carrier
Aircraft
N953WN
Make and model
Boeing 7377H4
Aircraft serial
36668
Aircraft time
27,271 hours, 16,375 cycles
Part
Retainer
Condition
Corroded
Location
Lt Horiz. Stab.
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

L/H HORIZONTAL STABILIZER PIVOT HINGE BUSHING IS WORN INTO BUSHING RETAINER WITH EVIDENCE OF FRETTING. REF AMM 27-41-31 FIG 402 ITEMS [1] AND [17] / FACT AS A RESULT OF POST REPAIR INSPECTION. REF. AMM 27-41-31 FIG 402 ITEMS 1 & 17. REPAIRED PER EA 1-753-33635, SRM 51-20-01 & SOPM 20-41-02.

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