Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 22, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N417WN
Make and model
Boeing 7377H4
Aircraft serial
29822
Aircraft time
65,751 hours, 38,956 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

RIGHT HORIZONTAL STABILIZER; #4 RIB #3 STIFFENER CRACKED NOTED AT LOWER AREA. ; / [01] CUT OUT DAMAGED AREA AT RIGHT HORIZONTAL STABILIZER; #4 RIB; #3 STIFFENER IAW SRM 55-10-09-2R-4; REPAIR 4.; [16] CUT OUT DAMAGED AREA AT RIGHT HORIZONTAL STABILIZER; #4 RIB; #3 STIFFENER IAW SRM 55-10-09-2R-4; REPAIR 4;LOCATED AND DRILLED REPAIR PARTS AT RIGHT HORIZONTAL STABILIZER; #4 RIB; #3 STIFFENER IAW SRM 55-10-09-2R-4; REPAIR 4; AND SRM 51-40-05-0G-0

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