Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
May 1, 2021
Submitted
June 23, 2021
Operation
Air carrier
Aircraft
N938WN
Make and model
Boeing 7377H4
Aircraft serial
36645
Aircraft time
39,916 hours, 24,221 cycles
Part
Stiffener
Condition
Cracked
Location
Horizontal 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

LEFT HAND STABILIZER INSPAR RIB AT STAB STA. 129.50 3RD STIFFENER IS CRACKED / REMOVED CRACK DAMAGE AT LEFT HAND STABILIZER INSPAR RIB AT STAB STA. 129.50 3RD STIFFENER FROM FRONT SPAR AND INSTALLED REPAIR IAW SRM 55-10-09-2R-4 REPAIR 4 FIG 202 DETAIL A.

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