Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 21, 2024
Submitted
April 25, 2024
Operation
Air carrier
Aircraft
N924WN
Make and model
Boeing 7377H4
Aircraft serial
36628
Aircraft time
51,375 hours, 31,138 cycles
Part
Stiffener
Part number
UNKNOWN
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

2ND FWD STIFFENER CRACK AT LH HSTAB AT STAB STA 120.30<[01] OK TO INSTALL GIVEN;[02] OKAY TO CAP-SEAL GIVEN STEP # 2 COMPLETE.;[03] CAP SEALED FASTENERS AT LEFT HAND HORIZONTAL STABILIZER FRONT SPAR WEB AT STAB STA 111.10 - 136 IAW AMM 51-31-00-390-805.;[04] VERIFIED CORRECTIVE ACTION ENTRY 3.;[05] VERIFIED CORRECTIVE ACTION COMPLETED WITH STEPS.

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