SDR CALA2017061601830

Service difficulty report · Clamp · Boeing 757224

Difficulty date: June 16, 2017
Submitted: June 16, 2017
Operation: Air carrier
Aircraft: N12114
Make and model: Boeing 757224
Aircraft serial: 27556
Aircraft time: 90,484 hours, 18,542 cycles
Engine: Rroyce RB211535E4B3
System (JASC): 7500 · Engine Bleed Air System
Part: Clamp
Condition: Loose
Location: Bleed Duct
Stage of operation: CR
How discovered: 9
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AT FL390, THE RT ENGINE OVERHEAT EICAS INDICATOR ILLUMINATED. EMERGENCY DECLARED. FOUND THE NR 2 ENGINE UPPER FIRE COMBUSTION & TURBINE CASE SENSOR MID CLAMP LOOSE IAW FIM TASK 26-11-00-815-803. SECURED THE CLAMP IAW EIPC 26-11-01 ITEM 430. WRENCH CHECKED ALL PRSOV & HS VALVE PNEUMATIC DUCT CLAMPS. ACCOMPLISHED DUCT LEAK CHECK WITH FOIL, RAN THE NR 2 ENG AT HIGH POWER SEVERAL TIMES WITH NO OVERHEAT LIGHT DISPLAYED AND NO LEAKS NOTED.