Service difficulty report · Transition Panel · Boeing 7378H4

Difficulty date
November 16, 2025
Submitted
December 5, 2025
Operation
Air carrier
Aircraft
N14237
Make and model
Boeing 7378H4
Aircraft serial
28802
Aircraft time
80,115 hours, 29,985 cycles
Part
Transition Panel
Part number
143A750181
Condition
Corroded
Location
Zone 100
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

FWD CARGO BAY LT TRANSITION PANEL FROM BS 500B - 500I CORRODED. REMOVED CORROSION ON FWD CARGO LT TRANSITION PANEL ORIGINAL THICKNESS .040, REMAINING THICKNESS .027, MATERIAL LOSS .013. FOUND TO BE ON OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED TRANSITION PANEL IAW SRM 51-40-02. FABRICATED A NEW TRANSITION PANEL IAW SRM 53-00-53-2R-5, SRM 51-40-05. ALODINED AND PRIMED THE TRANSITION PANEL IAW SRM 51-20-01. ASSEMBLED AND INSTALLED THE TRANSITION PANEL IAW SRM 51-40-02, & SRM 53-00-53-20-5.

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