Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
November 6, 2020
Submitted
December 10, 2020
Operation
Air carrier
Aircraft
N432WN
Make and model
Boeing 7377H4
Aircraft serial
33715
Aircraft time
60,767 hours, 36,021 cycles
Part
Stiffener
Condition
Cracked
Location
Horizontal 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

RIGHT HORIZONTAL STABILIZER RIB NR 4 STIFFENER NR 3 CRACK. REPAIRED HORIZONTAL STAB MACHINED INSPAR RIB NR 4 STIFFENER NR 3, PER REF B737-700 SRM 55-10-09-2R-4. RIGHT HORIZONTAL STAB.

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