Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
April 20, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 cycles
Part
Stiffener
Condition
Cracked
Location
Zn 100 Fus Lower
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 STIFFENER AT BS250 LBL10 WL207<[01] CRACKED STIFFENER AT BS 250 LBL10 WL207 WAS REPAIRED IAW EA 23-153-01396;[02] VERIFIED CORRECTIVE ACTION 1.;[03] VERIFIED ALL RII REQUIREMENTS MET.

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