Service difficulty report · Rib · Boeing 7377H4

Difficulty date
December 29, 2022
Submitted
January 31, 2023
Operation
Air carrier
Aircraft
N213WN
Make and model
Boeing 7377H4
Aircraft serial
34217
Aircraft time
58,853 hours, 35,162 cycles
Part
Rib
Part number
NOTREPORTED
Condition
Cracked
Location
Zn 300 Stabilize
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 FRONT SPAR REMOVEABLE FAIRING CRACKED AT SUPPORT RIB 4 MKD DOT<[01] REMOVED L/H HORIZONTAL STABILIZER FRONT SPAR RIB #4 AS PER REFERENCE SRM 51-40-02-0G-0;[02] INSTALLED L/H HORIZONTAL STABILIZER FRONT SPAR RIB #4 AS PER REFERENCE SRM 51-40-02-0G-0 AND DWG 186A1304;[03] CORRECTION. INSTALLED L/H HORIZONTAL STABILIZER LEADING EDGE RIB #4 AS PER REFERENCE SRM 51-40-02-0G-0 AND DWG 186A1304;[04] VERIFIED STEPS 1; 2 AND 3.

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