N846MH
Registered owner: MUSTANG LEASING LLC, NV (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| MAVERICK AIRSTAR LLC (Q2KA) | Certificate holder | — | Matched by certificate designator |
| MAVERICK HELICOPTER INC (M7KA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
HINGE ATTACHMENT BORE HAD A 1` LONG CRACK RADIATING.
DURING ROUTINE INSPECTION LATCH APPEARED LOOSE AND CLOSER INSPECTION REVEALED LOCKING LATCH HINGE PINS SOCKETS AND HOOK CATCH WORN EXCESSIVELY. HINGE ATTACHMENT BORE HAD A 1` LONG CRACK RADIATING. INSTALLED NEW LATCHES AS REQUIRED.
PILOT REPORTED THAT ON PREFLIGHT INSPECTION THE OIL COOLER FAN IMPELLOR WOULD NOT TURN BY HAND. BEARINGS WERE SEIZED. INSTALLED SERVICEABLE BLOWER ASSY. THIS PART IS FAILURE PRONE, SUSPECT ALTERNATIVE ARMATURE BEARINGS OR GREASE BE CONSIDERED. (K)
DURING FLIGHT OPERATIONS BLEED VALVE WAS STICKING OPEN INTERMITTENTLY. A SERVICEABLE BLEED VALVE WAS INSTALLED. NO FURTHER DEFECT NOTED. SUSPECT ANEROID BELLOWS LOST PRESSURE. THIS IS A REAR FAILURE FOR THIS PART. (K)
DURING ROUTINE INSP ADHESIVE BEAD FOR A STAR ARM END BUSHING WAS FOUND CRACKED. FURTHER EXAMINATION UTILIZING A SOAP WATER DETECTION METHOD REVEALED RELATIVE MOTION BETWEEN BUSHING AND STAR ARM END. WITH ROTOR HUB SLEEVES REMOVED, BUSHING COULD BE MOVED MANUALLY. A SECOND BUSHING WAS ALSO FOUND LOOSE. A SERVICEABLE REPLACEMENT STARFLEX WAS INSTALLED. THIS IS A DEFECT THAT RECENTLY HAS BECOME MORE COMMON THAN IN THE PAST. SUGGEST A DIFFERENT ADHESIVE BE UTILIZED OR THE STAR ARM ENDS AND BUSHINGS BE DESIGNED TO HAVE A LARGER ADHESIVE BONDING SURFACE SUCH AS ADDING INNER BUSHING AND OUTER STAR ARM END SPLINING. THERE WAS NO EVIDENCE OF ANY IMMINENT FAILURE FOR THE PART OR EXCESSIVE PLAY DEVELOPMENT OF THE BUSHING. SUGGEST THAT THE APPLICATION OF A SLIPPAGE MARK BETWEEN THE STAR ARM AND THE BUSHINGS TO SHOW BUSHING ROTATION BE ADDED AS A PRECAUTION TO DETECT DANGEROUS MOVEMENT. (K)
FAILURE CODE AT SHUTDOWN INDICATED A FAULT WITH THE COLLECTIVE POTENTIOMETER. INSTALLED NEW POTENTIOMETER AND NO FURTHER PROBLEM NOTED. THIS IS A VERY COMMON FAULT FOR THIS PART THAT EFFECTS THE DISPATCH RELIABILITY FOR THIS MODEL AIRCRAFT. (K)