Service difficulty report · Skin · Boeing 7377H4

Difficulty date
September 28, 2023
Submitted
November 7, 2023
Operation
Air carrier
Aircraft
N451WN
Make and model
Boeing 7377H4
Aircraft serial
32495
Aircraft time
64,297 hours, 38,163 cycles
Part
Skin
Part number
UNKNOWN
Condition
Corroded
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

SURFACE CORROSION ON CROWN SKIN UNDER VERT STAB. AFT OF FWD VERT STAB MOUNTS AND FWD OF STA 1040. BETWEEN STRINGERS S3L AND S3R. (MARKED)<[01] VERIFIED STEPS 1;2 COMPLETE.;[02] ' AS PER EA 23-153-03004; THE REWORK IS ACCEPTABLE AS A CONTINUE-IN-SERVICE CONDITION WITHOUT REPETITIVE INSPECTIONS AND NO TERMINATING ACTION REQUIREMENTS.';[03] VERIFIED CORRECTIVE ACTION 2 AND MEASUREMENT TABLE

More about the Boeing 737-7H4