Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
May 16, 2020
Submitted
June 8, 2020
Operation
Air carrier
Aircraft
N483WN
Make and model
Boeing 7377H4
Aircraft serial
32472
Aircraft time
54,791 hours, 32,417 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 STABILIZER STATION 92.7 2ND VERTICAL STIFFENER IS CRACKED. REPAIRED LEFT HAND HORIZONTAL STABILIZER INSPAR RIB AT STAB STA 92.70 2ND VERTICAL STIFFENER IAW SRM 55-10-09-2R-4; SRM 51-40-02; DWG #182A1500; DWG #182A3001; DWG #002A0001.

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