Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 23, 2020
Submitted
July 14, 2020
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
54,585 hours, 32,477 cycles
Part
Stiffener
Condition
Cracked
Location
Lt Horiz Stab
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

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STATION 147.90; IS CRACKED AT 1ST VERTICAL STIFFENER. REPAIRED LT HORIZONTAL STABILIZER INSPAR RIB; AT STATION 147.90 1ST VERTICAL STIFFENER IAW SRM 55-10-09-2R-4.

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