Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 4, 2020
Submitted
April 14, 2020
Operation
Air carrier
Aircraft
N918WN
Make and model
Boeing 7377H4
Aircraft serial
29843
Aircraft time
41,374 hours, 24,603 cycles
Part
Stiffener
Condition
Cracked
Location
Rt 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

RH HORIZONTAL STAB; RIB AT STAB STA 129.50 HAS CRACKED VERTICAL STIFFENER 2ND FROM L/E / TRIMMED OUT DAMAGED AREA OF STAB RIB AT RH STAB STA 129.5 2ND STIFFENER FROM LEADING EDGE AND FABRICATED AND INSTALLED RIB STIFFENER REPAIR IAW SRM 55-10-09-2R-4. RESTORED CIC TO DISTURBED AREA IAW AMM 51-21-91-620-802

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