Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 9, 2020
Submitted
July 8, 2020
Operation
Air carrier
Aircraft
N929WN
Make and model
Boeing 7377H4
Aircraft serial
36631
Aircraft time
40,823 hours, 24,698 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 120.30; 3RD VERTICAL STIFFENER IS CRACKED. REMOVED THE DAMAGED PART AND INSTALLED REPAIR PARTS AT LEFT HAND HORIZONTAL STABILIZER INSPAR RIB STAB STA 120.30 3RD VERTICAL STIFFENER IAW SRM 55-10-09-2R-5 88920U 18JUN20.

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