N721MB
Registered owner: DGW ENTERPRISES LLC, MN (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| DGW Enterprises LLC | Operator | on 2025-03-29 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
29 reports on file, 1995-06-13 – 1999-11-15.
Part: BLADE — DAMAGED (MAIN ROTOR)
ROTOR BLADE ASSY HAD TIP CAP SEPARATION.
Part: WARNING BOX — MALFUNCTIONED (ROTOR RPM)
RPM WILL NOT CANCEL, STAYS ON ALL THE TIME.
Part: STARTER — FAILED (STARTER/GEN)
STARTER/GENERATOR WOULD NOT START OR COME ON-LINE. START OPPOSITE ENGINE THEN IT WOULD WORK AND COME ON LINE AT 100 PERCENT ONLY.
Part: CONNECTOR — DAMAGED (BATTERY)
POSITIVE RECEPTACLE FAILED PIN TEST WITH TOOL P/N PHI10420. REPLACED WITH SERVICEABLE PART.
Part: BLADE — PEELING (TAIL ROTOR)
PAINT PEELING FROM BLADES.
Earlier reports · 1995–1998 · 24 reports
1998
Part: TRANSMITTER — MALFUNCTIONED (FUEL SYSTEM)
PRESSURE TRANSMITTER FLUCTUATES, UNIT FUNCTION CHECKED BAD, INTERMITTENTLY FLUCTUATES AT LOW PRESSURE.
Part: WARNING BOX — MALFUNCTIONED (ROTOR RPM)
RPM WARNING, INTERMITTENT LIGHT.
Part: ACTUATOR — FAILED (FUEL CONTROL)
ACTUATOR WILL NOT ACTUATE.
Part: TRANSPONER — INOPERATIVE (COCKPIT)
TRANSCEIVER INOPERATIVE.
Part: WARNING BOX — FAILED (ROTOR RPM)
RPM AUDIO INDICATIONS NOT FUNCTIONING WHEN NR 1 SPLITS 12 PERCENT.
Part: LORAN — MALFUNCTIONED (COCKPIT)
MEMORY ON LORAN IS NOT HOLDING.
Part: LORAN — FAILED (COCKPIT)
WHEN SCROLLING IN AUX OR NAV MODE UNIT INTERMITTENTLY LOSES DISPLAY AND STARTS OVER. INTERMITTENT IN CDI MODE.
Part: COOLER — LEAKING (OIL)
LUBE COOLER LEAKING.
1997
Part: WARNING BOX — DEFECTIVE (RPM WARN)
WARNING LIGHT WOULD STAY ON AFTER 98% HORN WOULD STOP.
Part: TRANSMITTER — MALFUNCTION (FUEL QTY)
TRANSMITS HIGH OUT OF TOLERANCE.
1996
Part: INDICATOR — ERROR (FUEL QTY)
INDICATOR MAIN SIDE HAS EXCESSIVE FRICTION ERROR. SUPPLY SIDE IS HIGH OUT OF TOLERANCE.
Part: TRANSMITTER — WONT CALIB (MAST MOMENT)
INDICATOR WILL NOT CALIBRATE. TIME SINCE REPAIR 163:30.
Part: INDICATOR — WONT CALIB (MAST MOMENT)
TRANSMITTER CAUSES INDICATOR NOT TO CALIBRATE. TIME SINCE REPAIR 163:30.
Part: NOZZLE — DEFECTIVE (NR 2)
ENGINE REMOVED DUE TO SMOKE ON SHUTDOWN. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL (-8.4). TURBINE PRODUCED -0- POWER WITH OVERHAULED REPLACEMENT NOZZLE. REPLACED DISCREPANT PART.
Part: WHEEL — DEFECTIVE (1ST STAGE)
ENGINE REMOVED DUE TO SMOKE ON SHUTDOWN. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.
Part: UPPER HOUSING — WORN EXCESS (M/R GR BOX)
PART IS WORN EXCESSIVELY. (BUSHING BORE WORN BEYOND LIMITS)
Part: TRANSMITTER — INTERMITTENT (MAST MOMENT)
TORQUE INTERMITTENT; NOT FUNCTIONING IN FLIGHT.
Part: INDICATOR — INTERMITTENT (MAST MOMENT)
MAST MOMENT INDICATOR INTERMITTENT; NOT FUNCTIONING IN FLIGHT.
Part: LOWER HOUSING — LINER LOOSE (M/R GR BOX)
STEEL LINER ON RIGHT INPUT BORE LOOSE.
Part: UPPER HOUSING — WORN (M/R GR BOX)
BUSHING BORE WORN BEYOND 151.04 MIN.
Part: LORAN — INOPERATIVE (COCKPIT)
LORAN WILL NOT COME ON - INOPERATIVE.
1995
Part: INDICATOR — SHORTED (FUEL QTY)
INTERNAL SHORT MAKES GAUGE READ BACKWARDS.
Part: BLADE — CRACKED (M/R)
NOSE AND NECK SHELL CRACKED.
Part: BLADE — CRACKED (M/R)
NOSE AND NECK SHELL CRACKED.