SDR C8GA20090188

Service difficulty report · Intercostal · Boeing 727227

Difficulty date: July 13, 2009
Submitted: September 4, 2009
Operation: Air carrier
Aircraft: N89427
Make and model: Boeing 727227
Aircraft serial: 21365
Aircraft time: 63,643 hours, 41,448 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 7075T6
Condition: Cracked
Location: Zone 100
Stage of operation: IN
How discovered: 9
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 THAT INTERCOSTAL AT BS 950-950A IS CRACKED BETWEEN STR 20L-21L. REMOVED DAMAGED INTERCOSTAL, FABRICATED NEW FROM 7075-0 DIM 14 INCHES X 16 INCHES, .080 INCH HEAT TREATED TO T6. INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.