Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
December 15, 2013
Submitted
December 23, 2013
Operation
Air carrier
Aircraft
N520AS
Make and model
Boeing 737890
Aircraft serial
36481
Aircraft time
18,778 hours, 5,930 cycles
Part
Transition Panel
Part number
147A750210
Condition
Corroded
Location
Bs 727g-727h
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

IN AFT CARGO BAY, RT TRANSITION PANEL IS CORRODED AROUND FASTENERS FROM BS 727G TO BS 727H BS 727G-BS 727H. ACFT GROUNDED. REMOVED CORROSION AND CHECK LIMITS AT RT TRANSITION PANEL, ORIGINAL MATERIAL .040", MATERIAL LOSS .008", MATERIAL REMAINING .032", FOUND TO BE OUT OF LIMITS AT STA 727G & 10 IAW SRM 53-00-53, FIG 103, DETAIL D AND SRM 53-70-53, CUT DAMAGED AREA FROM 727F & 10 TO 727H &10 IAW SRM 53-00-53-2R-5 MATERIAL ID FOR REPAIR PARTS BAC 1496-377-7075-T6 IAW SRM 53-00-53-2R-5, LOCATED, DRILLED & DEBURRED REPAIR PARTS IAW SRM 53-00-53-2R-5, ALODINED REPAIR PARTS IAW SRM 51-20-01, PRIMED PARTS IAW SRM 51-20-01, INSTALLED TRANSITION PANEL SECTION FROM STA 727F&10 TO 727H&10 IAW SRM 53-00-53-2R-5.