Service difficulty report · Longeron Splice · Boeing 747230F

Difficulty date
January 2, 2009
Submitted
February 11, 2009
Operation
Air carrier
Aircraft
N490EV
Make and model
Boeing 747230F
Aircraft serial
24138
Aircraft time
84,284 hours, 15,044 cycles
Part
Longeron Splice
Condition
Cracked
Location
Bs 2598
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

LT STA 2598 BULKHEAD, FOUND CRACK ON THE FWD SPLICE FITTING (JUST ABOVE THE SHEAR DECK). STRINGER END LONGERON SPLICE FTG ATTACH BOLTS REMOVED AS PER AMM 20-51-01. STR 8L-9L STRINGER END AND FWD LONGERON SPLICE REMOVED AS PER SRM 51-30-02 PARA 7. CRACKED SPLICE FTG REMOVED AS PER SRM 51-30-02 PARA.7. OPEN HOLE, INSPECTION C/O PER PT6/51-00-00, NO CRACK. NEW SPLICE FTG HOLES TRANSFERRED PER SRM 51-30-05 PG 1. DRILLED NEW FTG. SCREW HOLES PER DRWG 65B02539. INSTALLED NEW SPLICE FTG PER SRM 51-30-02 PARA 7. REINSTALLED STR END (STR 8L-9L) AND LONGERON SPLICE FTG. ATTACHED BOLT PER AMM 20-51-01 STR 8L-9L STRINGER END AND FWD LONGERON SPLICE FTG. REINSTALLED PER SRM 51-30-02 PARA7. PRIMERED PER AMM 51-24-01. PAINT TOUCH UP PER AMM 51-24-11.