Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
January 5, 2023
Submitted
January 17, 2023
Operation
Air carrier
Aircraft
N273AK
Make and model
Boeing 737990ER
Aircraft serial
61554
Aircraft time
18,901 hours, 6,144 cycles
Part
Transition Panel
Part number
146A750235
Condition
Corroded
Location
Bs 727h-747
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

AFT PIT LEFT TRANSITION PANEL DOCUMENTED OUT OF LIMITS ON CARD G1749961 REQUIRES REPLACEMENT FROM STA . 727H+10 TO 747+10. GROUNDED - YES. REMOVED CORROSION,ORIG MAT = .040,MAT REMOVED = .013,MAT REMAINING = .027OUT OF LIMITS IAW SRM 53-00-53-1A-2.REPLACED TRANSITION PANEL FROM STA 727H+10 TO 747+10 L/H IAW B737NG SRM 53-00-53-2R-5PO# 1034622.1.