Service difficulty report · Duct · Boeing 747230F

Difficulty date
November 24, 2010
Submitted
November 30, 2010
Operation
Air carrier
Aircraft
N490EV
Make and model
Boeing 747230F
Aircraft serial
24138
Aircraft time
89,175 hours, 16,118 cycles
Part
Duct
Part number
65B948192
Condition
Ruptured
Location
Bleed Air Sys
Stage of operation
UK
How discovered
O
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

NR 2 ENGINE LOWER BLOWOUT DOORS FOUND OPEN CARRIED OUT CHAPTER 5 INSPECTION FOUND NR 2 ENGINE 8TH STAGE DUCT RUPTURED, INBOARD C-DUCT DAMAGED, HPT COOLING DUCT CHAFED, NR 2 ENGINE FIRE LOOP A&B WIRING HARNESS DAMAGED, NR 2 ENGINE FORE LOOP A&B WIRING HARNESS SUPPORT TRAY DAMAGED, NR 2 ENGINE PYLON DRAIN LINE DAMAGED, FIRE LOOP SUPPORT TRAY BRACKET DAMAGED. ALL DAMAGED BLEED AIR AND FIRE LOOP COMPONENTS REMOVED AND REPLACED ALL LEAK AND OPS CHECKS NORMAL, DAMAGED INBOARD C-DUCT WAS TEMP REPAIRED AS PER ECRA 490-78-031-1.