SDR EIAA970094

Service difficulty report · Fitting · Boeing 747273C

Difficulty date
May 13, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N470EV
Make and model
Boeing 747273C
Aircraft serial
20653
Part
Fitting
Part number
65B128886
Condition
Cracked
Location
Bs 280
Stage of operation
IN
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

MZJ - DURING C-CHECK INSPECTION, DISCOVERED A CRACK ON THE INBD ARM OF THE FITTING P/N 65B12888-6 LOCATED AT STA 280, RBL 40. ADDITIONALLY A CRACK ON THE FLOOR WEB P/N 65B07662-1021 IMMEDIATELY ABOVE THE FITTING WAS FOUND. AFFECTED AREAS WERE REPAIRED USING REINFORCEMENT ANGLES TO FIX THE INBD ARM OF THE FITTING AND TWO REPAIR DOUBLERS TO REINFORCE THE WEB. REPEAT VISUAL INSPECTION OF THE TWO REPAIRED AREAS IS REQUIRED EVERY 3,000 FLTS TARGETING FURTHER CRACK PROPAGATION OF FURTHER DAMAGE. ACCOMPLISHED IAW EIAA, ENGINEERIGN CHANGE/REPAIR AUTHORIZATION NR 470-53-077-2. (M)