Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
October 19, 2023
Submitted
November 21, 2023
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
51,132 hours, 31,028 cycles
Part
Stiffener
Part number
UNKNOWN
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

LEFT HORIZONTAL STABILIZER RIB #6 STIFFENER #3 LOWER SECTION CRACK<[01] REMOVED DAMAGE ON STIFFENER #3 LOWER SECTION AND WEB AND INSTALLED REPAIR PARTS COMMON TO STIFFENER #3 AT LEFT HORIZONTAL STABILIZER RIB #6 REF SRM 55-10-09-2R-4; FIGURE 202; DETAIL A; SRM 51-40-02-0G-0 AND SRM 51-20-05-0G-0;[02] VERIFIED.;[03] RII---VERIFIED AND INSPECTED STEP #1.;[04] PERFORMED DME INSPECTION OF WORKMANSHIP AND PAPERWORK.

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