Service difficulty report · Bracket · Boeing 757232

Difficulty date
December 13, 2009
Submitted
December 29, 2009
Operation
Air carrier
Aircraft
N669DN
Make and model
Boeing 757232
Aircraft serial
25142
Aircraft time
61,237 hours, 28,409 cycles
Engine
Pwa PW2037
Engine time
24,691 hours, 10,223 cycles
Part
Bracket
Condition
Cracked
Location
Nr 1 Nacelle
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

NR1 PYLON RT STRUT UPPER CHORD WAS FOUND CRACKED AT A FASTENER LOCATION IN THE VERTICAL FLANGE JUST AFT OF THE BRACKET AT NSTA 136. THE CRACK PROPAGATED FROM THIS FASTENER LOCATION THROUGH THE CHORD RADIUS AND INTO A FASTENER LOCATION IN THE HORIZONTAL FLANGE OF THE CHORD. ERA 478656-14 WAS ISSUED TO ADDRESS THIS DAMAGE.