N354SB

Part: LIGHT — INOPERATIVE (CABIN)

DFW - FLT 3634 - EMERGENCY OVERHEAD LIGHTS IS INOPERATIVE. REMOVED AND REPLACED BULB OVER 11A IAW AMM. OPS CHECK GOOD. (M)

Part: SENSOR — FAILED (LEFT ENGINE) · airframe 14,220 hrs · 15,859 cycles

DFW - FLT 3407 - LEFT PROPELLER RPM CAME UP TO ONLY 1,250 RPM ON TAKEOFF. ALL OTHER PROP/ENGINE GAUGES WERE NORMAL. MAINTENANCE REMOVED AND REPLACED LEFT PROPELLER SENSOR IAW SAAB MM. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (X)

Part: BULB — FAILED (CABIN)

DFW - FLT 3764 - EMERGENCY FLOOR LIGHT AT SEAT 4B INOPERATIVE. REMOVED AND REPLACED EMERGENCY FLOOR LIGHT ASSY AT SEAT 4B IAW SAAB340 AMM 33-50-20. OPS CHECK GOOD AT THIS TIME. (M)

Part: BATTERY — FAILED (CABIN)

DFW - FLT 3381 - FLOOR LIGHTS OUT AT 4 B/C AND 5 B/C. TWO OVERHEAD EMERGENCY LIGHTS OUT AT 3 B/C AND 5 B/C AND 4A. REMOVED AND REPLACED EMERGENCY POWER SUPPLY AT 20LN IAW AMM 33-50-00. OPS CHECK GOOD. (M)

Part: BATTERY — INOPERATIVE (CABIN)

DFW - EMERGENCY BATTERY SUPPLY AT 24LN INOP. REMOVED AND REPLACED EMERGENCY BATTERY SUPPLY AT 24LN IAW AMM 33-50-00. OPS CHECK GOOD. (M)

Part: BULB — FAILED (ROW 8BC)

DFW - FLT 3708 - EMERGENCY LIGHT AT SEAT 8BC DOES NOT ILLUMINATE. REMOVED AND REPLACED BULB OVER SEAT 8BC. OPERATIONAL CHECK GOOD. (M)

Part: BATTERY PACKS — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS WOULD NOT ILLUMINATE WITH MORNING PREFLIGHT CHECK. REMOVED AND REPLACED ALL EMERGENCY LIGHT POWER SUPPLIES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY PACKS — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS WOULD NOT ILLUMINATE WITH MORNING PREFLIGHT CHECK. REMOVED AND REPLACED ALL EMERGENCY LIGHT POWER SUPPLIES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY PACKS — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS WOULD NOT ILLUMINATE WITH MORNING PREFLIGHT CHECK. REMOVED AND REPLACED ALL EMERGENCY LIGHT POWER SUPPLIES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY PACKS — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS WOULD NOT ILLUMINATE WITH MORNING PREFLIGHT CHECK. REMOVED AND REPLACED ALL EMERGENCY LIGHT POWER SUPPLIES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY PACKS — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS WOULD NOT ILLUMINATE WITH MORNING PREFLIGHT CHECK. REMOVED AND REPLACED ALL EMERGENCY LIGHT POWER SUPPLIES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BULB — FAILED (ROW 10B)

LAX - EMERGENCY FLOOR PROXIMITY LIGHT AT ROW 10B DOES NOT ILLUMINATE. REMOVED AND REPLACED FLOOR PROXIMITY LIGHT BULB. (X)

Part: WINDSHIELD — CRACKED (RT COCKPIT)

DURING APPROACH, THE FIRST OFFICERS FRONT WINDSHIELD OUTER PANE CRACKED. REPLACED WINDSHIELD.

Part: POWER PACK — INOPERATIVE (CABIN)

NUMEROUS EMERGENCY ESCAPE LIGHTS DO NOT ILLUMINATE. REPLACED EMERGENCY POWER SUPPLY AT 24LN.

Part: HOT JUG — DEFECTIVE (GALLEY)

CREW REPORTED THE LOW ILLUMINATION LIGHT IN LAVATORY SMELLS WHEN ON. SMELL CONSISTENT OF HOT ELECTRICAL WIRING. UTILITY BUS CIRCUIT BREAKER WAS PULLED. MAINTENANCE FOUND THE NR 2 HOT JUG RECEPTICLE BURNED, AFFECTING THE UTILITY BUS. THE NR 2 HOT JUG WAS DEFERRED IAW THE MEL AND THE UTILITY BUS WAS DEFERRED IAW MEL 24-13. MAINTENANCE REPLACED THE NR 2 HOT JUG TO CLEAR THE MEL'S.

Part: ENGINE — SMOKE (LEFT)

CREW REPORTED, SMOKE COMING FROM A SQUARE DUCT ON THE LEFT ENGINE COWLING ON TAXI OUT. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED THE LEFT ENGINE AND FOUND OIL RESIDUE AROUND THE INLET TO THE HEAT EXCHANGER. NO EVIDENCE OF OIL LEAKS FOUND ON OR AROUND THE LEFT ENGINE.

Part: DETECTOR — DEFECTIVE (LAVATORY)

LAVATORY SMOKE LIGHT CAME ON INTERMITTENTLY IN FLIGHT. THE LAVATORY SMOKE DETECTOR WAS DEFERRED IAW THE MEL 26-2-1. THE DETECTOR WAS REPLACED ON 3-10-97 AND THE MEL WAS CLEARED.

Part: SMOKE DETECTOR — DIRTY (CARGO COMPT)

DURING TAXI, THE CARGO SMOKE LIGHT CAME ON. IT STAYED ON FOR AT LEAST ONE MINUTE THEN WENT OFF, THIS SEQUENCE HAPPENED REPEATEDLY UNTIL ENGINE SHUTDOWN UPON RETURNING TO THE GATE. MAINTENANCE CLEANED BOTH CARGO SMOKE DETECTORS AND RETURNED THE AIRCRAFT TO SERVICE.

Part: ACM — OUT OF OIL (RIGHT)

CREW REPORTED A SMELL IN THE COCKPIT AFTER THE ENGINES WERE RUNNING. MAINTENANCE FOUND THE RIGHT ACM OUT OF OIL AND REPLACED IT. AIRCRAFT WAS RUN WITH NO ODORS NOTED.

Part: SMOKE DETECTORS — DIRTY (CARGO BAY)

AT THE GATE WITH BOTH ENGINES SHUT DOWN AND EXTERNAL POWER ON THE AIRCRAFT THE CARGO SMOKE WARNING ILLUMINATED WHEN THE CARGO DOOR WAS OPENED. MAINTENANCE INSPECTED THE WIRING SYSTEM WITH NO DISCREPANCIES FOUND, BOTH CARGO SMOKE DETECTORS WERE REPLACED.

Part: LIGHTS — DIRTY (CARGO COMPT)

THE CARGO SMOKE INDICATOR ILLUMINATED ON GROUND, WHEN THE CARGO BAY WAS UNLOADED AN ELECTRICAL BURN SMELL WAS DETECTED. MAINTENANCE FOUND BOTH CARGO LIGHTS TO BE DIRTY AND BURNED. BOTH LIGHTS WERE REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE WITH NO FURTHER PROBLEMS.

Part: TEST SWITCH — SHORTED (COCKPIT)

THE CARGO SMOKE LIGHT ILLUMINATED, THE CREW DISCHARGED THE NR 1 CARGO BOTTLE. MAINTENANCE FOUND A SHORT ON SMOKE PANEL TEST SWITCH 15WK. REPLACED SWITCH AND RIGHT FIRE BOTTLE, RETURNED AIRCRAFT TO SERVICE.

Part: SMOKE DETECTOR — DEFECTIVE (CARGO COMPT)

THE CARGO SMOKE LIGHT ILLUMINATED IN FLIGHT, THE NR 1 CARGO EXTINGUISHER FIRE BOTTLE WAS FIRED. EMERGENCY GROUND EVACUATION WAS CONDUCTED INCLUDING PULLING BOTH FIRE HANDLES AND FIRING BOTH ENGINE FIRE BOTTLES. MAINTENANCE REPLACED BOTH CARGO SMOKE DETECTORS AND ALL BLOWN FIRE BOTTLES.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO COMPT)

THE CARGO SMOKE LIGHT ILLUMINATED IN FLIGHT, THE NR 1 CARGO EXTINGUISHER FIRE BOTTLE WAS FIRED. NO SMOKE OR FIRE WAS EVIDENT TO THE FLIGHT CREW. MAINTENANCE REPLACED THE CARGO FIRE BOTTLE AND CLEANED BOTH CARGO SMOKE DETECTORS. THE AIRCRAFT WAS RELEASED FOR SERVICE.

Part: RETRACT MECH — ICED UP (LANDING GEAR)

THE LANDING GEAR INTRANSIT LIGHT STAYED ON AFTER GEAR RETRACTION. THE AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. UPON INVESTIGATION MAINTENANCE FOUND A LARGE ICE BUILD-UP ON THE LANDING GEAR. THE ICE WAS REMOVED AND A GEAR SWING WAS PERFORMED.