N221QS

ATA 5311

Part: FRAME — CORRODED (ZONE 100) · corrosion level 2 · airframe 8,928 hrs · 5,271 cycles

DURING VISUAL INSPECTION, FOUND CORROSION ON FRAME AROUND THE NOSE COMPARTMENT VENTILATION FAN. REPAIRED THE AREA.

ATA 4970

Part: CONTACTOR — UNSERVICEABLE · airframe 8,456 hrs · 4,965 cycles

AFTER STARTING THE ENGS WE GOT AN APU FAULT CAS MSG. SHUTDOWN THE APU THEN THE ESS BUS TURNED AMBER ON THE ELEC SYNOPTIC. SHUTDOWN ENGS & POWERED DOWN ACFT. FOUND ESS BUS 7 1/2 CB POPPED ON THE J BOX ABOVE THE NR 1 BATTERY. ALSO NOTED ELEC SMELL IN FWD SERVICE COMPARTMENT. REMOVED LT ELEC J BOX COVER & NOTED A STRONG BURNT ELEC SMELL. APPLIED POWER TO ACFT & FOUND THAT ESS B 512KA CB WILL NOT RESET. TROUBLE SHOT TO A BURNT CONTACTOR 7KA. R & R 7KA CONTACTOR WITH NEW & APPLIED POWER, CB STAYED RESET, BUT APU STARTS AUTOMATICALLY. REMOVED PCB 544PC1 & INSTALLED AN INSPECTED ASSEMBLY, OPS CHECKS WERE GOOD IAW MM 24-61-05-900-801. CARD PN 220CE04Y02, SN 231. CONTACTOR PN 215CC02Y1, SN 882.

ATA 3411

Part: PITOT LINE — OBSTRUCTED (NR 1) · airframe 7,402 hrs · 4,349 cycles

AT FL 390, THE AUTOPILOT & AUTO THROTTLES DISENGAGED. THE PILOT'S SIDE AIRSPEED WENT UP 30 KTS ABOVE MMO & ALTITUDE WENT UP 200 FT. ON THE ECL ACTIVE ABNORMAL RECEIVED SIX MESSAGES, AUTO SLATS, ALT MISCOMPAIR, IAS MISCOMPAIR, AIL FEEL, ADS1 FAIL, MACH TRIM FAIL. DESCENDING THROUGH FL 260 RECIEVED A RED X THROUGH THE PILOT'S AIRSPEED & ALTITUDE. BELOW 12,000 FT SAT WAS 0*C & INSTRUMENTS SLOWLY CAME BACK. PURGED OBSTRUCTIONS FROM NR 1 PITOT STATIC SYSTEM LINES. PERFORMED OPS AND LEAK CHECKS OF THE PITOT STATIC SYSTEM. PERFORMED INSPECTION OF THE PITOT STATIC DRAINS FOR CLOGGING, ALL DRAINS CLEAR. ALL MAINTENANCE PERFORMED IAW MM 30-30-00-710-801, 34-11-00-790-801, 34-11-01-200-801 AND 34-11-00-200-801.

ATA 2530

Part: MICROWAVE OVEN — FAULTY (GALLEY) · airframe 6,575 hrs · 3,780 cycles

FLIGHT ATTENDANT WENT TO USE THE MICROWAVE IN GALLEY & UPON STARTING THE MICROWAVE, WHITE ELEC SMOKE BEGAN SPEWING FROM BEHIND OR IN THE MICROWAVE. DESELECTED THE GALLEY MASTER SWITCH IN THE COCKPIT & THE SMOKE STOPPED. R & R THE GALLEY MICROWAVE ASSEMBLY WITH A REPAIRED UNIT IAW F2000 EX EASY MM 25-33-17 & 20-00-00, OPERATIONS CHECKED GOOD.

ATA 2530

Part: POWER SUPPLY — SHORTED (MICROWAVE OVEN)

F/A SMELLED SMOKE AND SAW SMOKE COMING FROM BEHIND THE MICROWAVE OVEN. ON FEB. 4, 2011, THE ARTICLE IN QUESTION WAS RECEIVED AT REPAIR STATION. INVESTIGATION FOUND THAT A WIRE INSIDE THE METAL POWER SUPPLY BOX HAD CHAFED ON AN ADJACENT COMPONENT. THE METAL POWER SUPPLY BOX IS CONTAINED INSIDE THE METAL MICROWAVE ENCLOSURE. PREVENTIVE ACTION IS TO SECURE ALL THE WIRING WITHIN THE MICROWAVE TO PREVENT CHAFING.

ATA 2530

Part: MICROWAVE OVEN — ODOR (GALLEY) · airframe 4,501 hrs · 2,583 cycles

ON DESCENT THE F/A WAS USING THE MICRO-WAVE WHEN SHE SMELLED SMOKE AND SAW SMOKE COMING FROM BEHIND THE MICRO-WAVE. WHEN PULLING OUT THE TRASH BIN THERE WAS ALSO A DEFINITE ODOR OF SMOKE. VERIFIED SOURCE OF SMOKE IN CABIN, ORIGINATED FROM WIRING INSIDE MICROWAVE UNIT. R & R MICROWAVE UNIT AND PERFORMED OPS CHECKS IAW MM 25-924 AND MM 25-33-03. OPS CHECKED GOOD.

ATA 3240

Part: BRAKE SYS — MALFUNCTIONED (MLG) · airframe 2,985 hrs · 1,759 cycles

UPON LANDING, BRAKE 2 FAIL CAS MESSAGE APPEARED AND BRAKING WAS DEGRADED.

ATA 3240

Part: VALVE — INOPERATIVE (BRAKES) · airframe 2,985 hrs · 1,759 cycles

AFTER GEAR EXTENSION CREW CYCLED PARKING BRAKE (IAW COLD WX OPS) AND RECEIVED AMBER FAULT CODE CASS MESSAGE. UPON LANDING BRAKE 2 FAIL CASS MESSAGE APPEARED AND BRAKING WAS DEGRADED FAULT CODE 430 BSCU 2 FAILURE ON ELECTR VALVE CTRL. REMOVED AND REPLACED RT ELECTRIC VALVE PN 65670-2 SN 2672A, NEW SN 2555A OF REPAIRED UNIT BLEED SYS. WORK PERFORMED IAW EX MM 20-000 AND 32-42-00.

ATA 3010

Part: TRANSMITTER — INOPERATIVE (AOA HEAT) · airframe 1,928 hrs · 1,147 cycles

AT THE INITIATION OF THE TAKEOFF ROLL AND AT APPROXIMATELY 60 KTS THE YELLOW CAS MESSAGE AOA HEAT NR 2 ILLUMINATED. REMOVED AND REPLACED ANGLE OF ATTACK TRANSMITTER WITH REPAIRED UNIT AS REQUIRED. OPS CHECK GOOD. HEAT TEST GOOD AT THIS TIME. WORK IAW MM 27-804, 30-300.

ATA 2612

Part: FIRE WARNING — FALSE ACTIVATION (CARGO BAY) · airframe 1,788 hrs · 1,059 cycles

BAGGAGE COMPARTMENT FIRE WARNING LIGHT AND ARUAL WARNING WITH MASTER WARNING AND CAS MESSAGE. M2B INSPECTED SENSOR AND PERFORMED BAGGAGE BAY FIRE WARNING TEST IAW F2000 MM 26-103 NO DEFECT NOTED.