N911UM
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
RIGHT ENG FIRE ANNUNCIATOR LIGHT ILLUMINATED IN CRUISE FLIGHT. TROUBLE SHOT ISSUE DOWN TO FAULTY FIRE DETECT SENSOR. REMOVED FAULTY SENSOR PN 9912036-3, SN UNK & REPLACED WITH SERVICEABLE PN 9912036-3, SN 152201 IAW AMM 26-11-01 2C & D.
AOA HEAT FAIL ILLUMINATED IN FLIGHT. AFTER A SHORT TIME, THIS LIGHT EXTINGUISHED. SEVERAL MINUTES LATER THE RT ENGINE FIRE DETECT SYSTEM AMBER ANNUNCIATION AND MASTER CAUTION ILLUMINATED. DURING THE TIME IT TOOK TO PULL OUT THE CHECKLIST FOR THIS LIGHT IT EXTINGUISHED, AND THEN THE RT ENGINE FIRE RED SWITCH LIGHT ILLUMINATED. THE RT THRUST LEVER WAS PULLED BACK TO IDLE IAW THE MEMORY ITEMS FOR AN ENGINE FIRE INDICATION. THE FIRE INDICATION EXTINGUISHED WITHIN 15 SECONDS OF PULLING THIS THROTTLE TO IDLE. AT NO POINT DURING THIS OCCURRENCE WAS THERE ANY SECONDARY INDICATION OF AN ENGINE FIRE.
DESCENDING, THE LT THRUST REVERSER UNLOCK LIGHT ILLUMINATED. REMOVED LT THRUST REVERSER AND INSTALLED NEW DEPLOY/ STOW WIRE HARNESS, PN 53ND78303-1 AND RIGGED IAW CMM PN 03ND-78002, 78-30-12 PARA C, PAGE 703. INSTALLED LT THRUST REVERSER IAW MM 78-31-00. BLED THRUST REVERSER ACTUATORS IAW MM 78-31-00. NO OTHER DEFECTS NOTED.
RUDDER TORQUE TUBE TO BELLCRANK ATTACH FLANGE IS CRACKED IN 3 PLACES AROUND THE CIRCUMFERENCE OF THE TUBE. REPLACED TORQUE TUBE AND INSTALLED CORRECTLY.
LT MLG AXLE HAS LIGHT SURFACE CORROSION.
FOLLOW-UP CABLE WAS FOUND TO HAVE OVER 50 PERCENT OF ITS DIAMETER BROKEN AT THE SWEDGED BALL. POSSIBLE IMPROPER SWEDGING OF THE BALL ON THE CABLE. COMPLY WITH SB560-27-19 FLIGHT CONTROLS FLAP FOLLOW-UP CABLE IMPROVEMENT. COMPLIED WITH SB 27-19. REPLACEMENT OF CABLE WITH NEW PN.
FLAP FOLLOW UP CABLE FOUND TO HAVE OVER 50 PERCENT OF ITS DIAMETER BROKEN AT THE SWEDGED BALL.