N336PH

Part: CONNECTOR — DIRTY (BRAKE SYSTEM)

DEN - FLT 7407 - EN ROUTE FROM DEN TO DRO, THE FLIGHT CREW REPORTED THE 'EMERGENCY/PARKING BRAKE ACCUMULATOR' LOW PRESSURE ANNUNCIATION LIGHT ILLUMINATED IN-FLIGHT. CREW PERFORMED CHECK LIST ITEM IAW FLIGHT STANDARDS MANUAL, HOWEVER, LIGHT ILLUMINATED ONCE AGAIN A SHORT TIME LATER. CREW ELECTED TO RETURN TO DENVER. AIRCRAFT LANDED IN DENVER WITHOUT FURTHER INCIDENTS. DENVER MAINTENANCE CLEANED CANNON PLUG CONNECTOR ON THE PRESSURE SWITCH. UNABLE TO DUPLICATE DISCREPANCY. AIRCRAFT RETURNED TO SERVICE. (X)

Part: AIR DISTR — ODOR (CABIN)

CREW REPORTED RECEIVING AN EICAS. LEFT PACK FAIL MESSAGE DURING TAXI. PILOT CYCLED THE LT PACK SWITCH,THE FAIL MESSAGE THEN CLEARED ITSELF. FAIL MESSAGE ILLUMINATED AGAIN AFTER T/O. THIS WAS ACCOMPANIED WITH AN AMBER LAV SMOKE EICAS. CREW REPORTED, NO EVIDENCE OF SMOKE OR FIRE COMING FROM THE LAV. JUST A SMELL OF FUMES. A/C RETURNED TO DENVER WITH NO FURTHER INCIDENTS. MX GROUND RAN THE A/C AND PERFORMED AN OP'S CHECK OF THE AIR CONDITIONING SYSTEM IAW AMM 21-21-00, NO DEFECTS NOTED. THE A/C WAS THEN RELEASED FOR SERV. THE CREW LATER REPORTED THAT THEY HAD AN EXTENDED TAXI PERIOD WITH THE ENGS IN GROUND IDLE AND A 12 KNOT TAIL WIND. SUBMITTER STATES, WE CAN ONLY SURMIZE THAT THE HEAVY TAIL WIND AND LO

Part: POWER LEVER — LACK OF LUBE (RT ENGINE)

AT FLIGHT LEVEL 220, THE RIGHT POWER LEVER FROZE IN POSITION AT 84 PERCENT TORQUE. THE CREW DECENDED TO FLIGHT LEVEL 110. CONTROL WAS REGAINED AND THE AIRCRAFT WAS LANDED IN LAN WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED, CLEANED AND LUBED THE ENGINE CONTROLS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-11-32. FUNCTION CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PCU — DEFECTIVE (RT ENGINE)

AS POWER LEVER WAS ADVANCED FOR TAKEOFF, RIGHT HAND PROPELLER FEATHERED. AIRCRAFT RETURNED TO GATE. INSPECTED AIRCRAFT AND FOUND RT PROPELLER CONTROL UNIT DEFECTIVE. REPLACED PCU IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-06. OPERATIONAL CHECK GOOD. AIRCRAFT APPROVED FOR RETURN TO SERVICE.

Part: LINKAGE — OUT OF ADJUST (PARKING BRAKE)

AFTER TAKEOFF, EP BRAKE CAS MESSAGE CAME ON. ACCOMPLISHED QRH ITEMS, LIGHT WENT OUT AND 5 MINUTES LATER CAME BACK ON. RETURNED TO THE FIELD WITH NORMAL ATC HANDLING. MAINTENANCE ADJUSTED THE EMERGENCY PARK BRAKE LINKAGE, OPERATIONAL CHECK GOOD.

Part: BATTERY — DISCHARGED (CABIN)

MID SECTION OF FLOOR PROXIMITY LIGHTING IS DIM, SECTION FADES OUT IN 10 SECONDS. BATTERY PACKS 2, 3 AND 4 REPLACED AND LIGHT OPS CHECKED GOOD.

Part: WINDSHIELD — CRACKED (LT COCKPIT)

DURING DESCENT CAPTAINS WINDSHIELD STARTED TO BURN AND CRACK. AIRCRAFT LANDED IN ACV WITHOUT FURTHER PROBLEM. WINDSHIELD REPLACED AND WINDSHIELD HEAT OPS CHECKED GOOD.

Part: TRIM ACTUATORS — FREEZING (ELEVATOR TRIM)

LEVELING AT FLIGHT LEVEL 310 FOUND ELEVATOR TRIMS INOP, TAT -37C. TRIMS BEGAN TO WORK DURING DESCENT, TAT -7C. AIRCRAFT LANDED IN GEG WITHOUT FURTHER PROBLEMS. LEFT AND RIGHT TRIM ACTUATORS REPLACED IAW MAINTENANCE MANUAL. ELEVATOR TRIM OPS CHECKED GOOD.

Part: WIRE HARNESS — DEFECTIVE (NR 2 ENGINE)

THE RIGHT ENGINE SURGES FOLLOWED BY NR 2 AC GENERATOR FAILURE, FLASHING CAS MESSAGES AND SMOKE IN THE COCKPIT. GROUND RUN SHOWED SURGES ARE CAUSED BY ECU WIRING HARNESS AND SMOKE TO BE COMING FROM LABRINTH SEAL DRAINS. ENGINE SURGES CAUSED AC GENERATOR TO DROP OFF LINE. REPLACED WIRING HARNESS IAW MAINT MANUAL. COMPLIED WITH RUNS IAW MAINT MANUAL AND ENGINE OPS CHECKED GOOD. BLEED AIR CHECKED GOOD.

Part: PSEU — MALFUNCTIONING (RADIO RACK)

PDX - EN ROUTE TO RDM, RECEIVED NUMEROUS HYD PROXI FAIL CAS MESSAGES, GEAR WAS SELECTED DOWN ON APPROACH TO RDM, GEAR DIDN'T MOVE. CREW COULDN'T MOVE HANDLE TO UP POSITION. LANDING GEAR CYCLED SEVERAL TIMES WITH THE HANDLE STILL DOWN. CREW CYCLED GEAR AND RECEIVED THREE GREEN. AIRCRAFT RETURNED TO PDX AND LANDED WITHOUT FURTHER INCIDENT.

Part: BULBS — BROKEN (CABIN)

SEA - EMERGENCY EXIT LIGHT COVER ABOVE SEAT 11A CAME LOOSE AND SEVERAL BULBS INSIDE WERE BROKEN. BULBS WERE REPLACED AND COVER WAS SECURED. LIGHT OPS CHECKED GOOD AND AIRCRAFT RETURNED TO SERVICE.

Part: FAN — SMOKING (COCKPIT)

PDX - SMOKE IN COCKPIT ON LANDING ROLLOUT. A FAN FAIL CAS MESSAGE DID APPEAR ON CAS SCREEN. NR 2 HX FAN REPLACED I/A/W MAINT. MANUAL. FAN OPS CHECKED GOOD ON GROUND RUN. AIRCRAFT RETURNED TO SERVICE.

Part: TQ HARNESS — FAILED (NR 2 ENGINE)

PDX - NR 2 ENGINE SURGED FROM FLIGHT IDLE WHILE ON SHORT FINAL, GO AROUND EXECUTED. ENGINE SURGED AGAIN 30 PERCENT TORQUE TO 70 PERCENT ON DOWN LEG. NR 2 ENGINE SHUTDOWN PER EMERGENCY CHECKLIST. AIRCRAFT LANDED SINGLE ENGINE WITHOUT INCIDENT. ENGINE HARNESS REPLACED AND NP PROBE REPLACED. ENGINE OPS CHECKED GOOD ON GROUND RUN, AIRCRAFT RETURNED TO SERVICE.

Part: TRANSFER TUBE — BROKEN (PROP)

PDX - PROPELLER TRANSFER TUBE FOUND BROKEN DURING REMOVAL. THE TUBE WAS BROKEN AT THE PROP END THROUGH THE LOCKING BOLT SLOT. NO ABNORMAL PROPELLER OPERATION WAS NOTED BY FLIGHT CREW. PROPELLER AND PCU WERE INSPECTED AND NO DEFECTS WERE NOTED. TRANSFER TUBE REPLACED AND PROP OPS CHECKED GOOD ON GROUND RUN. AIRCRAFT RETURNED TO SERVICE. AIRCRAFT AND PROPELLER MANUFACTURER NOTIFIED OF THE PROBLEM.