N793TA
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.
5 reports on file, 2005-08-03 – 2007-12-24.
Part: RIB — CRACKED (HORIZONTAL STAB)
DURING A SCHEDULED MAINTENANCE VISIT WHILE PERFORMING A HORIZONTAL STABILIZER ROLLER INSPECTION OF THE HORIZONTAL STABILIZER IB RIB AND BRACKET ASSEMBLIES, THE LT IB RIB WAS FOUND CRACKED. DETAILED INSPECTION INSTRUCTIONS OF THIS AREA ARE OUTLINED IN COMMUNIQUE' NR 70. BOTH RIBS WERE REPLACED WITH THE UPGRADED ASSEMBLIES.
Part: CONTROL PANEL — MISWIRED (COCKPIT)
DURING POWER ON, PRIOR TO FLIGHT, INSTRUMENT FLOOD LIGHT CIRCUIT BREAKER POPPED AND CREW NOTICED A BURNING ODOR. MAINTENANCE FIRST THOUGHT THAT IT WAS A BAD PANEL BUT LATER DISCOVERED THE THE COPILOT UTILITY LIGHT PANEL MOUNTING SCREW HAD 28 VOLTS ON IT AND WAS MAKING CONTACT WITH THE EFB MOUNT CAUSING ARCING AND THE BURNING ODOR. FURTHER INVESTIGATION REVEALED THAT THE PANEL WAS NOT WIRED IAW THE RAC WIRING DIAGRAM BUT IS WIRED IAW THE COMPONENT OEM DRAWING. THE OEM IS AWARE AND IS PURSUING A CHANGE FROM THE COMPONENT MANUFACTURER TO REWIRE THE SYSTEM PER THE RAC DRAWING. THE SDR WILL BE UPDATED WHEN THE FINAL FIX IS IN PLACE.
Part: RIB — CRACKED (HORIZ STAB) · airframe 5,318 hrs · 4,349 cycles
LT IB ROLLER SUPPORT RIB FOUND CRACKED. P/N 45A21104-641 WAS REMOVED AND REPLACED WITH NEW. DUE TO THE NUMBER OF THESE WE ARE SEEING, IT IS LIKELY THE ENTIRE 400A FLEET HAS A PROBLEM IN THIS AREA.
Part: RIB — CRACKED (LT STAB) · airframe 5,318 hrs · 4,349 cycles
DURING A SCHEDULED MAINTENANCE VISIT WHILE PERFORMING A HORIZONTAL STABILIZER ROLLER INSPECTION AS PART OF THE (B) LEVEL INSPECTION THE LT IB HORIZONTAL STABILIZER RIB STRUCTURE WAS FOUND CRACKED NEXT TO THE SIDE ROLLER BRACKET. DETAILED INSPECTION INSTRUCTIONS OF THIS AREA ARE OUTLINED IN MFG COMMUNIQUÃ NR 70. THE HORIZONTAL STABILIZER WAS REMOVED AND THE ROLLER RIB ASSEMBLY WAS REPLACED IAW THE MFG STRUCTURAL REPAIR MANUAL. THE HORIZONTAL STABILIZER WAS REINSTALLED AW THE MM.
Part: MASTER CYLINDER — LEAKING (BRAKES) · airframe 4,737 hrs · 3,858 cycles
THE CREW REPORTED UPON LANDING, THERE WERE NO BRAKES. USED THE EMERGENCY BRAKE SYSTEM TO STOP THE AIRCRAFT. THE CREW TRIED THE NORMAL BRAKES AFTER ROLLOUT ONTO THE TAXIWAY AND THE BRAKES WERE AVAILABLE BUT WERE JERKY. MAINTENANCE FOUND THE PILOTS RIGHT MASTER CYLINDER TO BE LEAKING. THE MASTER CYLINDER WAS REPLACED AND THE SYSTEM WAS BLED. WHILE TESTING THE ANTI-SKID SYSTEM, THERE WAS NO RESPONSE FROM THE RIGHT SIDE AND THE LEFT SIDE WAS INTERMITTANT. PIN CONNECTIONS FOR THE LEFT AND RIGHT WHEEL TRANSDUCER, AND THE ANTI-SKID CONTROL BOX WERE REPAIRED. THE ANTI-SKID CONTROL BOX WAS REPLACED WHEN NO RESPONSE WAS RECEIVED FROM THE RIGHT SIDE. OPERATIONAL TESTS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERV