N911AL
Registered owner: AIR METHODS LLC, CO (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| AIR METHODS LLC (QMLA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
Maintenance disclosures
STRONG SMELL OF FUEL IN THE CABIN DURING ALL PHASES OF FLIGHT. INSPECTED FUEL SYSTEM AND PERFORMED A CHECK FLIGHT BUT THE FUEL SCENT COULD NOT BE DUPLICATED.
LOUD WHINING NOISE COMING FROM ABOVE AND AFT OF THE REAR FORWARD FACING SEATS. IT OCCURRED DURING A CLIMB AT MCP AND 60 KNOTS. AFTER TURNING AROUND AND LOWERING POWER TO RETURN TO BASE, THE NOISE SUBSIDED. REPLACED TR SERVO, RTS.
DURING PATIENT FLIGHT RESTART FAULT AND FADEC DEGRADE LIGHTS ILLUMINATED. RETURNED TO BASE WITH PATIENT. CREW AND PATIENT TRANSPORTED BY AMBULANCE TO ANOTHER AIRCRAFT. REPLACING THE CIT SENSOR INITIALLY FIXED THE PROBLEM BEFORE THE FAILURE IN FLIGHT LATER THAT DAY. WE THEN CLEANED THE ENGINE HARNESS CONNECTORS AS REQUIRED INCLUDING THE FIREWALL ADAPTE TO REPAIR ON THE SECOND FAILURE.
ACSN 51344 N911AL REPORTED LANDING ON FT MCDOWELL GOLF COURSE DUE TO MAIN TRANSMISSION CHIP LIGHT AND A COMMUNICATION ISSUE. INSPECTED AND CLEANED CHIP DETECTORS, PERFORMED PENALTY GROUND RUN. ONCE CHIP LIGHT ISSUE WAS RESOLVED, TROUBLESHOT COMMUNICATION ISSUE. FOUND DISCONNECTED UPPER CONNECTOR ON PILOTS AUDIO CONTROL PANEL. RECONNECTED, PERFORMED COMM CHECK, CHECK WAS GOOD.
DURING CRUISE FLIGHT, CREW AND PATIENT COMPLAINED OF CARBON MONOXIDE POISONING SYMPTOMS INCLUDING LIGHT HEADEDNESS, SLEEPINESS AND HEADACHE. HEATER WAS IN OFF POSITION, BOTH SWITCHES, BUT HEAT AND FUMES WERE COMING FROM HEATER VENT IN AFT COMPARTMENT OF AIRCRAFT. RECYCLED HEATER, PROBLEM DID NOT GO AWAY. OPENED WINDOWS TO VENT AIRCRAFT AND DIVERTED TO NEAREST AIRPORT. MAINTENANCE PERFORMED AS FOLLOWS: THE DUCT ASSY LOCATED ON TOP OF THE COMPRESSOR ASSY WAS FOUND LOOSE TO THE COMPRESSOR ASSY AND REPLACED A GASKET ON THE ENGINE OIL FILTER HOUSING THAT APPEARED TO BE SEEPING. OPS, LEAK CHECK, AND HEATER OPERATION CHECK WAS GOOD WITH NO SMELL OR LEAKS FOUND.
DURING ROUTINE INSPECTION OF ENGINE CHIP DETECTORS FOUND NUMEROUS CHIPS AND DEBRIS ON BOTH UPPER AND LOWER CHIP PLUGS. AMOUNT AND SIZE EXCEEDED ALLOWABLE PER ROLLS ROYCE C47-250 EMM. *** THIS AIRCRAFT REMAINS OOS AT THE TIME OF THIS SUBMISSION TO REPLACE THIS ENGINE ***
FOUND CRACK IN UPPER AFT FUSELAGE SKIN NEAR THE UPPER LT LONGERON AS DESCRIBED, THE SUBJECT OF AD2015-05-04 & ASB 407-11-95, TB 407-12-96. DURING THE COMPLIANCE WITH AMC EO-13-5310-EO-212. CRACK IS APPROX 1.5" LONG, STARTING AT THE UPPER LT LONGERON & TRAVELING INBD IN THE SHIN. VISIBLE ALSO FROM THE INSIDE OF THE TAIL BOOM, ON THE UPPER DECK UNDER THE OIL COOLER COWLING AREA FS 217.84 AFT OF BULKHEAD.
MAIN TRANSMISSION HAD A CHIP LIGHT ILLUMINATE. MAIN TRANSMISSION WAS SENT TO THE OVERHAUL SHOP. UPON DISASSEMBLY IT WAS DISCOVERED THE DUPLEX BEARING FOR THE GEAR SHAFT ASSEMBLY WAS STALLING & IS THE SOURCE OF METAL CONTAMINATION IN THE TRANSMISSION. APPROX 1 INCH ON THE OUTER BEARING RACE IS WHERE THE METAL WAS COMING FROM.
FLIGHT CREW SMELLED HOT PLASTIC IN AFT CABIN AREA WHILE HEATER WAS IN USE. THIS IS AN ELECTRICALLY ACTUATED SYS, OPERATED BY THE PILOT. IF PILOT SELECTED SETTINGS ARE TOO HIGH, THE HEATER CAN RUN VERY HOT TO THE AFT CABIN, SEPARATELY FROM THE COCKPIT, THIS WAS THE CASE. THE HEATER IS FUNCTIONING AS DESIGNED & PROBLEMS APPEAR TO BE ROOTED IN PILOT ORIENTATION, AS THIS IS A BACKUP ACFT CONFIGURED DIFFERENTLY FROM REGULAR PROGRAM ACFT. HEATER SYS HAS BEEN MEL'D & DISABLED. PARTS ARE ON ORDER.
DURING AN EVENT 2 INSPECTION THE TECHNICIAN, USING VISUAL CRITERIA & A 10X MAGNIFIER, FOUND A CRACK ON THE LT UPPER SUPPORT ANGLE. THE CRACK IS APPROXIMATELY 1.5 INCHES AFT OF THE HORIZONTAL STABILIZER LE.
DURING INSP OF THE TAILBOOM AND ATTACH POINT, CRACKING WAS NOTED IN THE UPPER STARBOARD ATTACH BOLT HOLE OF THE TAILBOOM ATTACH FRAME. PN:206-032-308-121, LOCATED AT STA 231.472. AXIAL STRESS EXERTED AT THIS LOCATION BY TAILBOOM FLEX, OVERTIME, CAUSES WEAKENING AND CRACKING IN THE FRAME. INSTALLATION OF A STIFFENER/DOUBLER IN THE AFFECTED LOCATION MAY PREVENT RECURRENCE.