Service difficulty report · Transition Panel · Boeing 737*

Difficulty date
November 17, 2021
Submitted
November 24, 2021
Operation
Air carrier
Aircraft
N820NN
Make and model
Boeing 737*
Aircraft serial
29559
Aircraft time
35,481 hours, 14,474 cycles
Part
Transition Panel
Condition
Corroded
Location
Zone 100 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION OF LH TRANSITION PANEL AT STA 747.5 AND STR 25L, MEASURING L=1.0 IN, W=1.0 IN, D=0.014 IN. REPLACED TRANSITION PANEL WITH NEW IAW SRM 53-00-53.