Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
September 4, 2024
Submitted
September 18, 2024
Operation
Air carrier
Aircraft
N214AK
Make and model
Boeing 737990ER
Aircraft serial
60579
Aircraft time
18,333 hours, 5,820 cycles
Part
Transition Panel
Part number
143A750522
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
O
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 RH TRANSISTION PANEL HAS AREAS OF CORROSION BETWEEN STA 500F AN D500I. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2 REPAIRED TRANSITION PANEL IAW B737-900 SRM 53-00-53-2R-5W= 2" O= .040 R= .035 L= 2" D= .005.