Service difficulty report · Rib · Boeing 7377H4

Difficulty date
January 27, 2020
Submitted
February 12, 2020
Operation
Air carrier
Aircraft
N457WN
Make and model
Boeing 7377H4
Aircraft serial
33856
Aircraft time
55,090 hours, 32,723 cycles
Part
Rib
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

L/H HORIZONTAL STABILIZER INSPAR RIB ASSEMBLY #4, STAB. STA. 120.30, 3RD VERTICAL STIFFENER CRACKED. / REPAIRED INSPAR RIB ASSEMBLY IAW SRM.

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