N189PP
Registered owner: BUTLER LLC, VA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| MARTINAIR, INC. (MXIA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
AT CRUISE ALTITUDE OF 40,000 FEET THE PILOTS HEARD A POP FOLLOWED BY A LOSS OF PRESSURIZATION. AN EMERGENCY WAS DECLARED, AN EMERGENCY DECENT MADE TO 15,000 FEET. THE AIRCRAFT RETURNED TO KRIC AND MADE A NORMAL LANDING. INVESTIGATION IDENTIFIED A RUPTURED BLEED AIR MUFFLER P/N 12945-096-801. THE UNIT WAS REMOVED AND SENT OUT FOR REPAIR. IT WAS INSTALLED AND THE PRESSURIZATION SYSTEM OPERATED NORMALLY.
AIRCRAFT N189PP, LEAR 45 S/N 264, DEPARTED FROM KRIC ON DECEMBER 13 AT APPROXIMATELY 4:00 PM EASTERN STANDARD TIME. SHORTLY AFTER REACHING CRUISE ALTITUDE OF 40,000 FEET THERE WAS A LOUD POP FOLLOWED BY A SUDDEN LOSS OF PRESSURIZATION. AN EMERGENCY WAS DECLARED, AND A RAPID DECENT WAS MADE TO 15,000 FEET. THE AIRCRAFT RETURNED TO KRIC AND MADE A NORMAL LANDING. DURING TROUBLESHOOTING OF THE SYSTEM IT WAS DISCOVERED THAT THE CABIN PRESSURIZATION MUFFLER P/N 12945-096-801 HAD RUPTURED PURGING BLEED AIR INTO THE TAILCONE INSTEAD OF THE CABIN. THIS EXPLAINS THE LOUD POP THE CREW HEARD FOLLOWED BY A RAPID LOSS OF PRESSURIZATION.