N334PH
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Horizon Air | Operator | on 1996-03-31 | 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.
13 reports on file, 1995-04-05 – 2002-02-22.
Part: CONTROL UNIT — INOPERATIVE (ELEVATOR SYS) · airframe 16,010 hrs · 20,861 cycles
ON TAKE-OFF ROLL AT 80 KNOTS, ELEVATOR DISCONNECT CAS MESSAGE APPEARED. MAINTENANCE FOUND SWITCH ON DISCONNECT UNIT BAD. REMOVED AND REPLACED DISCONNECT UNIT.
Part: BALLAST — DEFECTIVE (CABIN)
ELECTRICAL BURNING SMELL AT SEAT 3D AND F. TURNED OFF CABIN SIDEWALL LIGHTS, SMELL DISSIPATED. MAINTENANCE REMOVED AND REPLACED BALLAST, OPS CHECK GOOD. (M)
Earlier reports · 1995–2001 · 11 reports
2001
Part: SHUTTLE VALVE — STUCK (SPOILER SYS) · airframe 14,580 hrs · 19,072 cycles
DURING DESCENT BOTH ROLL SPOILERS DEPLOYED GIVING AILERON MISTRIM, SPOILERS REMAINED DEPLOYED FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE REMOVED AND REPLACED ROLL SPOILER DOUBLE SHUTTLE VALVE.
Part: INTAKE DUCT — DELAMINATED (LT ENGINE) · airframe 13,879 hrs · 18,202 cycles
LEFT ENGINE LOST POWER TORQUE WENT FROM 85 PERCENT TO 45 PERCENT FOLLOWED BY LEFT ENGINE DEICE FAIL. POWER NORMAL WITH LEFT ENGINE DEICE OFF. MAINTENANCE REMOVED AND REPLACED LEFT ENGINE INTAKE BOOT ASSEMBLY, OPERATIONAL CHECK OK.
2000
Part: ACTUATOR — BROKEN (STICK PUSHER) · airframe 13,375 hrs · 17,651 cycles
STICK PUSHER WILL NOT TEST. MAINTENANCE REMOVED AND REPLACED THE STICK PUSHER ACTUATOR. OPERATIONAL CHECK GOOD.
1999
Part: PY LINE — CRACKED (NR 1 ENGINE)
DURING CRUISE, NR 1 ENGINE TORQUE DROPPED TO ZERO, ITT FELL 200 - 300 DEGREES, SHUT DOWN PER CHECKLIST. AIR START ATTEMPTED. NO GOOD. NOTE: AIRCRAFT FLT 7133 WAS EN ROUTE DEN/MTJ AND DIVERTED TO GUC. FOUND PY LINE BROKEN. REMOVED AND REPLACED PY LINE. GROUND RAN AIRCRAFT. OSP CHECK GOOD. ALSO C/W P&W SB 21583. (X)
Part: ALTERNATOR — FAILED (NR 1 AND 2)
AFTER SECURING NR 1 ENGINE, EXPERIENCED NR 1 AND NR 2 ALTERNATOR FAILURE. PER CHECKLIST, RESET NR 2 ON-LINE FOR 2-3 MINUTES. EXPERIENCED SECONDARY FAILURE. GUC - FLT 7133 - RAN AIRCRAFT FOR 10 MINUTES. COULD NOT DUPLICATE. OPS CHECK GOOD. (X)
1997
Part: HYD PRESS WARN — ACTIVATED (PARKING BRAKE)
PDX - RETURNED TO FIELD. EMERGENCY PARKING BRAKE ACCUMULATOR PRESSURE CAS MESSAGE. INSPECTED PARKING BRAKE ACCUMULATOR AND ASSOCIATED PLUMBING. COMPLIED WITH OPERATIONAL TEST OF THE HYDRAULIC SYSTEM. ALL SYSTEMS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
Part: GOVERNOR — MALFUNCTION (NR 2 ENGINE)
NR 2 PROPELLER WILL NOT COME OUT OF FEATHER POSITION. PROPELLER SPEED GOES TO A MAXIMUM OF 62.2 PERCENT. REPLACED NR 2 PROP HIGH PRESSURE/OVERSPEED GOVERNOR ASSEMBLY AND NR 2 PROPELLER CONTROL UNIT FEATHER SOLENOID VALVE AND COCKPIT OVERHEAD PANEL 15VE, OPERATIONAL CHECK GOOD.
Part: GOVERNOR — MALFUNCTION (NR 2 ENGINE)
NR 2 ENGINE PROPELLER WILL NOT COME OUT OF FEATHER. REPLACED UNFEATHER VALVE SOLENOID, OVERSPEED GOVERNOR, PUMP ASSEMBLY, AND COCKPIT OVERHEAD PANEL 15VE, OPERATIONAL CHECKS GOOD.
Part: FAN — ODOR (E/E COMPT)
AVI FAN FAIL CAS MESSAGE WITH ASSOCIATED ACRID SMELL. AFT AVI FAN REPLACED IAW MAINTENANCE MANUAL, FAN OPS CHECKED GOOD.
1996
Part: BULB — FAILED (CABIN)
EMERGENCY LIGHT IN LAV IS INOP. LAMP REPLACED AND LIGHT OPS CHECKED GOOD.
1995
Part: HARNESS — DEFECTIVE (LT MLG)
PDX - AFTER GEAR RETRACTION OR EXTENSION, A SINGLE CHIME SOUNDS WITH AN AMBER PROX SYSTEM CAS MESSAGE, FOLLOWED BY A BLUE HYDRAULIC QTY CAS MESSAGE. REPLACED LEFT AMIN GEAR DOWNLOCK FORWARD HARNESS I/A/W MM. GEAR INDICATION OPS CHECKED GOOD ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.