Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
February 8, 2019
Submitted
March 12, 2019
Operation
Air carrier
Aircraft
N520AS
Make and model
Boeing 737890
Aircraft serial
36481
Aircraft time
36,468 hours, 12,465 cycles
Part
Transition Panel
Part number
146A750231
Condition
Corroded
Location
Fuselage
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, LT TRANSITION PANEL HAS CORROSION 4 PLACES BETWEEN STA 727I AND 727J. GROUNDED - YES. REMOVED CORROSION ORG THICKNESS .040 REMOVED .007 REMAINING .033 FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2 AND DWG BAC1496-444 TOOL# T8225P. REMOVED TRANSITION PNL STA 727E-727J+A LT SIDE IAW SRM 51-40-02. PARTS RECEIVED PO# 883991.2 PN BAC1496-377 IAW DLG #BAC1496-444. LOCATED AND DRILLED IAW SRM 51-40-02. ALODINED AND PRIMED IAW SRM 51-20-01. INSTALLED NUT PLATES IAW SRM 51-40-10-2R-0 TOOL# T8359CC. INSTALLED NEW TRANSITION PNL IAW DWG 146A7500 AND SRM 51-40-02.