Service difficulty report · Beam · Aerosp ATR42320

Difficulty date
October 31, 2011
Submitted
October 31, 2011
Operation
Air carrier
Aircraft
N42836
Make and model
Aerosp ATR42320
Aircraft serial
200
Aircraft time
36,410 hours, 43,608 cycles
Part
Beam
Part number
S54110629206
Condition
Cracked
Location
Zone 400
Part time
36,410 hours, 43,608 cycles
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 HEAVY CHECK OVERSIZED HOLES FOUND IN NR1 ENGINE LOWER COWL BEAM AT OIL LINE SUPPORT BRACKET ATTACH POINT. IN ADDITION TO OVERSIZED AND ELONGATED HOLES, THE MATERAL BETWEEN HOLES WAS FOUND TO BE CRACKED, WITH CRACKS TERMINATING AT EACH HOLE. REPAIRED IAW STS EA 10-2011-141. REPAIR PERFORMED BY TECH SERVICES UNDER W/O 17077.

More about the Aerosp ATR 42-320