Service difficulty report · Intercostal · Boeing 737490

Difficulty date
October 18, 2014
Submitted
October 27, 2014
Operation
Air carrier
Aircraft
N792AS
Make and model
Boeing 737490
Aircraft serial
28887
Aircraft time
54,126 hours, 30,507 cycles
Part
Intercostal
Part number
69353597
Condition
Corroded
Location
Bs 927-947
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

INTERCOSTAL CORRODED ON BOTTOM SIDE OF UPPER LEG AT STR 24L BETWEEN STA 927 AND 947. FOUND DURING INSTALL OF THE LT TRANSITION PANEL. ACFT GROUNDED. REMOVED CORRODED ON INTERCOSTAL IN AFT PIT AT STR 24L STA 927 AND 947, INTERCOSTAL IS OUT OF LIMITS IAW SRM 53-00-04-1A-1. REMOVED INTERCOSTAL AND INSTALLED NEW INTERCOSTAL IAW SRM 51-40-02-0G-0, FIG 8, PARA 4 AND PARA 7 AND SRM 51-40-05-0G-0, W 1.0" O .032, R .013", L 2.0", D .019".