N557AL
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.
15 reports on file, 1999-03-12 – 2011-12-27.
Part: PITCH HORN — CORRODED (ZONE 200) · airframe 14,152 hrs
PITCH HORN, CORRODED BEYOND LIMITS.
Part: CROSSTUBE — CORRODED (ZONE 700) · airframe 9,426 hrs
CROSS TUBE HAS CORROSION BEYOND LIMITS.
Earlier reports · 1999–2005 · 13 reports
2005
Part: PITCH LINK — ROUGH (MAIN ROTOR) · airframe 4,990 hrs
RATCHETY AND ROUGH / REPLACED WITH NEW BY FIELD MAINTENANCE.
Part: PITCH LINK — RATCHETING (MAIN ROTOR) · airframe 4,990 hrs
RATCHETY AND ROUGH / REPLACED WITH NEW BY FIELD MAINTENANCE.
Part: PITCH HORN — CORRODED (TAIL ROTOR) · airframe 2,469 hrs
EXCESSIVE PITTING FROM CORROSION BEYOND LIMITS / INSTALLED 2EA NEW PITCH HORNS BY OVERHAUL SHOP.
2004
Part: TRANSMITTER — MALFUNCTIONED (ROTOR TORQUE)
ON SECOND TAKE OFF OF THE DAY, ON TAKE OFF FROM LOOP OPS GALLIANO, TORQUE GAUGE READ ERRATIC AND EXCEEDED LIMITS. LANDED AND REFERRED TO MAINTENANCE. MAINTENANCE REMOVED AND REPLACED THE TORQUE TRANSMITTER, OPS CHECK WAS GOOD.
Part: BEARING — SPALLED (TRANSMISSION) · airframe 4,025 hrs
TRANSMISSION DISASSEMBLED FOR METAL CONTAMINATION, FOUND BEARING BREAKING DOWN. REMOVED AND REPLACED BEARING.
2003
Part: INDICATOR — STUCK (DUAL TACH)
DUAL TACH NP NEEDLE STUCK AT 16 PERCENT.
Part: INDICATOR — MALFUNCTIONED (DUAL TACH)
REPAIR DUE TO ROTOR NEEDLE FALLS TO ZERO WHEN THROTTLE IS REDUCED.
Part: UNIVERSAL — BINDING (MAIN ROTOR) · airframe 3,449 hrs
UNIVERSAL WORN, RATCHETY, AND BINDING. REMOVED AND REPLACED.
2002
Part: CHIP DETECTOR — DIRTY (MAST BEARING)
SHORTLY AFTER TAKEOFF, AFTER DROPPING THE PASSENGERS ON THE SUPER TANKER, THE PILOT TOOK OFF AND WAS ENROUTE, THE TRANSMISSION CHIP LIGHT ILLUMINATED, THE PILOT NOTIFIED VENICE BASE BY RADIO. UPON LANDING THE MECHANIC REMOVED THE MAST BEARING CHIP PLUG AND FOUND NO METAL, HE CLEANED THE PLUG AND CONNECTOR, PERFORMED PENALTY RUN AND LEAK CHECKED THE AIRCRAFT. NO FURTHER DEFECTS WERE NOTED, AIRCRAFT WAS RETURNED TO SERVICE.
Part: BLADE — CRACKED (MAIN ROTOR)
DISCOVERED DURING ROUTINE INSPECTION. LEADING EDGE SHEATH CRACKED CHORDWISE AT STATION 132.
2000
Part: SHAFT — WORN (FREEWHEEL UNIT) · airframe 1,389 hrs
DURING SEAL REPAIR, FOUND WORN SPLINES. (X)
1999
Part: SLEEVE — CONTAMINATED (BYPASS SPOOL) · airframe 917 hrs
SERVO ACTUATOR REMOVED FROM AIRCRAFT DUE TO BINDING IN COLLECTIVE LEVER. CIRCUMSTANCES UNKNOWN. SHOP INSPECTION REVEALED SERVO BYPASS SPOOL WAS BINDING IN BYPASS SPOOL SLEEVE. SPOOLS AND SLEEVE CONTAMINATED WITH SOME FORM OF COATING. THIS COATING COULD NOT BE SEEN, BUT WAS WASHED OFF. NORMAL SPOOLS AND SLEEVE OPERATION RESTORED. CAUSE UNKNOWN. (X)
Part: SUPPORT — MISINSTALLED (TAILBOOM)
DURING DAILY INSPECTION FOUND SUPPORT MISINSTALLED. SUBMITTER STATED PART INSTALLED UNDER STRESS AND POOR QUALITY CONTROL.