N404BL
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.
7 reports on file, 2013-12-31 – 2017-11-16.
Part: FIRE LOOP — BROKEN (RT ENGINE) · airframe 4,988 hrs · 4,799 cycles
RT ENGINE FIRE DETECTION SYSTEM FAILED THE PREFLIGHT TEST. DISCOVERED THAT THE ENGINE FIRE LOOP WAS BROKEN. A NEW LOOP WAS INSTALLED AND THE AIRCRAFT WAS RETURNED TO SERVICE.
Part: CONTROLLER — DEFECTIVE (CABIN TEMP) · airframe 4,052 hrs · 3,947 cycles
COULD NOT CONTROL THE TEMPERATURE FOR THE FLIGHT DECK OR CABIN. TROUBLESHOOTING FOUND THE LOW LIMIT SENSOR CONTROLLER & THE LOW LIMIT PROPORTIONING VLV BOTH TO BE DEFECTIVE, UNITS REPLACED. OPERATIONS CHECKED OK.
Part: MOTOR — OVERHEATED (AC BAY) · airframe 4,000 hrs · 3,888 cycles
THE VAPOR CYCLE AC SYS WAS INOPERATIVE. TROUBLESHOOTING FOUND THE AC COMPRESSOR DRIVE MOTOR HAD OVERHEATED BY EVIDENCE OF PEELING PAINT ON UNIT. THIS DRIVE MOTOR WAS INSTALLED A MONTH & A HALF PRIOR & FAILED WITH 55 HOURS OF OPERATION. THE DRIVE MOTOR PN 1134104-5 SN 490 WAS REMOVED FROM SERVICE & AN OVERHAULED UNIT INSTALLED. FUNCTIONAL CHECKS OK.
Part: MOTOR — DEFECTIVE (AC BAY) · airframe 3,899 hrs · 3,795 cycles
THE CREW REPORTED THAT THE VAPOR CYCLE AIR CONDITIONING WAS MAKING A LOUD NOISE, THEY OPENED THE BAGGAGE ACCESS TO INVESTIGATE & NOTED SMOKE COMING FROM THE AREA WHERE THE VAPOR CYCLE SYS IS INSTALLED. THE MX DEPARTMENT OPERATED THE SYS & FOUND SPARKS & SMOKE EMANATING FROM THE ACFT COMPRESSOR DRIVE MOTOR. THE DEFECTIVE MOTOR WAS REMOVED & AN OVERHAULED UNIT WAS INSTALLED, FT OK.
Part: ADC — FAILED (NR 1) · airframe 3,848 hrs · 3,747 cycles
THE FLIGHT CREW REPORTED THAT THE NR 1 ADC ON THE PILOTS SIDE FAILED DURING FLIGHT. MX EVALUATED & FOUND THAT THE NR 1 ADC WAS DEFECTIVE. THE DEFECTIVE UNIT PN 822-0389-433 SN 4220 WAS REMOVED & AN OVERHAULED UNIT WAS INSTALLED. FUNCTIONAL CHECKS WERE SATISFACTORY & THE ACFT WAS RETURNED TO SERVICE.
Part: ADC — DEFECTIVE (NR 1) · airframe 3,834 hrs · 3,737 cycles
PILOTS & COPILOTS INDICATED AIRSPEED DISAGREED BY 15 TO 20 KTS. COMPARED INDICATIONS WITH STANDBY AIRSPEED ADC WAS OFF BY 15 TO 20 KTS. TROUBLESHOT & FOUND THAT THE NR 1 ADC WAS DEFECTIVE & WAS REPLACED WITH AN OVERHAULED EXCHANGE UNIT. FUNCTIONAL CHECKS WERE SATISFACTORY.
Part: GYRO — DEFECTIVE (ATTITUDE) · airframe 3,673 hrs · 3,612 cycles
THE CREW REPORTED THAT THE STAND BY ATTITUDE INDICATOR DRIFTED MORE THAN 10 DEGREES IN 30 MINUTES. THE STAND BY GYRO WAS REMOVED SN 1095 & AN OVERHAULED UNIT WAS INSTALLED. FUNCTIONAL CHECKS SATISFACTORY.