Service difficulty report · Rib · Boeing 7377H4

Difficulty date
March 8, 2022
Submitted
April 11, 2022
Operation
Air carrier
Aircraft
N468WN
Make and model
Boeing 7377H4
Aircraft serial
33858
Aircraft time
58,378 hours, 34,580 cycles
Part
Rib
Condition
Cracked
Location
R/H Horiz. 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

CRACKED RIB FLANGE ON RT. HORIZ. STAB REMOVEABLE LEADING AT L/E STA.95.96 / [01] UPDATED PARTS SECTION;[02] REMOVED AND REPLACED RIB ON RT HORIZONTAL STAB L/E AT L/E STA 95.96 IAW SRM 51-40-02-0G-0 STEP 4; SRM 51-40-05-0G-0 AND BAC DWG 186A1001.;[03] VERIFIED CORRECTIVE ACTION 1-2.;[04] VERIFIED ALL STEPS ARE COMPLETED.;[05] VERIFIED COMPLETE

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