Service difficulty report · Rib · Boeing 7377H4

Difficulty date
March 28, 2019
Submitted
April 16, 2019
Operation
Air carrier
Aircraft
N277WN
Make and model
Boeing 7377H4
Aircraft serial
32531
Aircraft time
41,259 hours, 24,584 cycles
Part
Rib
Part number
186A100041
Part serial
IC0980
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 AT STA. 120.3, LOWER CHORD OF THE RIB CRACKED AT 2EA FASTENER HOLES BETWEEN THE FORWARD SPAR AND THE 1ST VERTICAL STIFFENER COMMON TO THE LOWER SKIN MOD. REPAIRED RIB IAW EA.

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