Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
June 28, 2018
Submitted
July 11, 2018
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
21,076 hours, 6,942 cycles
Part
Transition Panel
Part number
143A7501192
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

FORWARD CARGO COMPT FLOOR STRUCTURE STA 500C-500D RBL 22 TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. BLENDED CORROSION FROM ZEE CHANNEL BETWEEN BS500C-500D RBL22 ORG MAT .040, REMOVED .006, .034 REMAINS. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53 FIG 103 DETAIL D. ACCOMPLISHED SRM REPAIR NR 5 PER 53-00-53 DOT REMOVED.