Service difficulty report · Rib · Boeing 747230B

Difficulty date
September 20, 2002
Submitted
October 31, 2002
Operation
Air carrier
Aircraft
N509MC
Make and model
Boeing 747230B
Aircraft serial
21221
Part
Rib
Part number
65B149153
Condition
Cracked
Location
Lt Wing
Part time
104,897 hours
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

DURING CURRENT C CHECK, FOUND LT WING LEADING EDGE RIB CRACKED, WING STATION ILES1024 AT THE VERTICAL STIFFENER COMMON TO THE UP STOP INTERCOSTAL. DAMAGED AREA TRIMMED OUT. HFEC INSPECTED TRIMMED AREA. NO ADDITIONAL CRACKING FOUND. FABRICATED REPAIR DOUBLER, FILLER AND SHIM.