Service difficulty report · Intercostal · Boeing 727227

Difficulty date
July 31, 2009
Submitted
November 13, 2009
Operation
Air carrier
Aircraft
N89427
Make and model
Boeing 727227
Aircraft serial
21365
Aircraft time
63,643 hours, 41,448 cycles
Part
Intercostal
Part number
70750
Condition
Cracked
Location
Zone 100
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

WHILE IN HEAVY MX PERFORMING INSP IT WAS NOTED AT STA 620 STR 22R WEB IS CRACKED. REMOVED AND FABRICATED NEW INTERCOSTAL FROM 7075-0 .063" DIM 19.250" X 5.750" HEAT TREATED TO T6. INSTALLED INTERCOSTAL, NO OTHER DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.