Service difficulty report · Keelbeam · Boeing 7474KZF

Difficulty date
April 13, 2022
Submitted
April 15, 2022
Operation
Air carrier
Aircraft
N407KZ
Make and model
Boeing 7474KZF
Aircraft serial
36134
Aircraft time
52,075 hours, 9,649 cycles
Part
Keelbeam
Condition
Corroded
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION - KEEL BEAM. INNER SURFACE OF KEEL BEAM, STA 1405 - 1427(<P>1. REMOVE THE AFFECTED FASTENERS AIW SRM 51-40-02 REV 94. 2. BLEND OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 94. 3. ACCOMPLISH EI T2022A53M-955 REV 1. ORIGINAL EI ATTACHING WITH W/O 6880625</P>)

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