N697AL
Registered owner: ZIPLINE INTERNATIONAL INC, CA (owner ≠ operator)
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
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.
16 reports on file, 2000-08-24 – 2010-12-30.
Part: PINION GEAR — CRACKED (TRANSMISSION) · airframe 10,986 hrs
NUMEROUS CRACKS ON INNER SURFACE WHERE ROLLER SET RIDES.
Part: DRIVE SHAFT — WORN (HYD PUMP) · airframe 10,570 hrs
HYD SYS LIGHT ILLUMINATED IN FLIGHT. MX FOUND HYD PUMP DRIVESHAFT SPLINES AND TRANSMISSION OIL PUMP OUTPUT SHAFT SPLINES WORN AWAY. R & R HYD PUMP DRIVESHAFT AND TRANSMISSION OIL PUMP.
Earlier reports · 2000–2009 · 14 reports
2009
Part: CROSSTUBE — CORRODED (ZONE 700)
AFT CROSS TUBE SUPPORT PN D2894-1 HAD CORROSION UNDERNEATH. CLAMP ASSY MX21920-22 SLID AWAY FROM CHAFING SHIELD ON INBD END.
2005
Part: ENGINE — FOD
ON TAKE OFF, HIGH PITCH WHINE WAS NOTED. NOTIFIED MAINTENANCE. INSPECTED ENGINE AND FOUND COMPRESSOR FOD DAMAGE. REMOVED AND REPLACED ENGINE ASSY. GROUND RUN, VIBRATION CHECK, AND LEAK CHECK ALL GOOD. WORK IAW MM. (K)
2004
Part: BEARING — BINDING (M/R BLADE) · airframe 3,513 hrs
BINDING, AXIAL WEAR BEYOND MAX., AND ROUGH. REPLACED WITH NEW PART IN FIELD.
Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,301 hrs
FOUND EXCESSIVE AXIAL PLAY. REMOVED AND REPLACED WITH NEW PART IN FIELD.
Part: WIRE — DAMAGED (TEMP BULB)
WHILE LIFTING OFF FOR TAKE OFF, THE TRANSMISSION TEMPERATURE GAUGE FLUCTUATED FROM 0 TO MAX AND REMAINED AT MAX AFTER THROTTLE REDUCED TO IDLE. MAINTENANCE FOUND SHAFTED WIRE NUMBER E629A22 INSIDE CONNECTOR AT TRANSMISSION TEMPERATURE BULB. REPAIRED WIRE AND GROUND OPS CHECKED GOOD.
2003
Part: GEAR SHAFT — SCORED (TRANSMISSION) · airframe 2,457 hrs
ON DISSASSEMBLY FOUND 30 BOLTS ON GEAR SHAFT LOOSE, MATING SURFACE FRETTED BEYOUND LIMITS IN CR&O MANUAL. THIS WAS THE FIRST TIME UNIT WAS DISSASSEMBLED SINCE NEW. REMOVED AND REPLACED GEAR SHAFT.
Part: BEVEL GEAR — SCORED (TRANSMISSION) · airframe 2,457 hrs
ON DISSASSEMBLY FOUND 30 BOLTS ON GEAR SHAFT WERE LOOSE, MATING SURFACE FRETTED BEYOUND LIMITS IN CR&O MANUAL. THIS WAS THE FIRST TIME UNIT WAS DISSASSEMBLED SINCE NEW. REMOVED AND REPLACED BEVEL GEAR.
Part: BOLT — SCORED (TRANSMISSION) · airframe 2,456 hrs
ON DISSASSEMBLY FOUND 30 BOLTS ON GEAR SHAFT LOOSE, MATING SURFACE FRETTED BEYOUND LIMITS IN CR&O MANUAL. THIS WAS THE FIRST TIME UNIT WAS DISSASSEMBLED SINCE NEW. REMOVED AND REPLACED BOLTS.
Part: SHAFT — WORN (FREEWHEEL UNIT) · airframe 2,456 hrs
DURING 2500 HR OVERHAUL OF FREEWHEEL UNIT. FOUND INPUT DRIVE SPLINES WORN BELOW LIMITS.
2002
Part: BEARING — SEPARATED (M/R HEAD)
DURING INSPECTION AT FIELD BASE. ELASTOMER SEPARATION.
2001
Part: DISC PACK — CRACKED (TAIL ROTOR)
DAILY INSPECTION OF TAILROTOR DRIVESHAFT BEARINGS FOR OVERHEATING. NR 4 TAILROTOR DISC, (ONE) FORWARD IS CRACKED, PROBABLE CAUSE IS EXCESSIVE RIGIDITY IN THE BEARING MOUNT SYSTEM. ALLOW THE TAILROTOR DRIVESHAFT TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR AS OFTEN. (M)
Part: DISC PACK — CRACKED (TAIL ROTOR)
DURING 25 HOUR AD INSPECTION, THE COUPLING IS CRACKED, PROBABLE CAUSE IS EXCESSIVE RIGIDITY IN BEARING MOUNT SYSTEM. ALLOW TAILROTOR DRIVESHAFT TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR AS OFTEN. (M)
2000
Part: DISC PACK — CRACKED (TAIL ROTOR)
DURING 25 HOUR AD INSPECTION, THE COUPLING IS CRACKED, PROBABLE CAUSE IS EXCESSIVE RIGIDITY IN BEARING MOUNT SYSTEM. ALLOW TAILROTOR DRIVESHAFT TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR AS OFTEN. (M)
Part: DISC PACK — CRACKED (TAIL ROTOR)
DURING 25-HOUR AD INSPECTION, TIME SINCE LAST INSPECTION IS 16.6 HOURS. FORWARD SEGMENT OF THE DISC PACK IS CRACKED ACROSS THE SPAN. (X)