Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
July 22, 2025
Submitted
August 6, 2025
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737890
Aircraft serial
35685
Aircraft time
61,626 hours, 18,725 cycles
Part
Transition Panel
Part number
143A750122
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

FORWARD CARGO COMPARTEMENT R/H SIDE TRANSITION PANEL HAS NUMEROUS AREAS OF CORROSION BETWEEN STA 500C & 500I. GROUNDED - YES. REMOVED CORR. FROM FWD CARGO COMP. RT TRANSITION PANEL AT BS 500C TO 500I ORIG. THICKNESS .040 IAW SRM 53-30-53. MAT. LOSSED .008, REMAINING THICKNESS .032. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. REMOVED AND REPLACED WITH NEW TRANSITION PANEL IAW SRM 53-00-53. ALODINED NEW TRANSITION PANEL IAW AMM 51-21-41. PRIMED NEW TRANSITION PANEL IAW AMM 51-21-72. LOCATED, DRILLED, COUNTERSUNK, & DEBURRED NEW TRANSITION PANEL IAW SRM 53-00-53.