Service difficulty report · Intercostal · Boeing 737301

Difficulty date
January 13, 2015
Submitted
January 13, 2015
Operation
Air carrier
Aircraft
N361NC
Make and model
Boeing 737301
Aircraft serial
23260
Aircraft time
72,381 hours, 46,135 cycles
Part
Intercostal
Condition
Cracked
Location
Bs 500d-520
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

AIR CONDITIONING SNAKE PIT BS500D TO BS520 AT CENTER LINE OF FUSELAGE, INTERCOSTAL CRACKED AT AFT FLANGE RADIUS. REPLACED INTERCOSTAL WITH FABRICATED WEBB REF: IAI SUPP 53-30-51, DETAIL 1, FIG 1. INSTALLED IAW SRM 51-40-3.