N833MA

Part: WINDSHIELD — FAILED (LT COCKPIT)

CAPTAIN'S WINDSHIELD HEAT WIRING SHORTED IN FLIGHT FOR APPROXIMATELY 4 SECONDS AT WINDSHIELD TERMINAL BLOCK, FOLLOWED BY WINDSHIELD INNER PLY CRACKING. REPAIRED WIRING AND REPLACED WINDSHIELD.

Part: PRESS REGULATOR — FAILED (RUDDER)

ON CLIMB-OUT, RUDDER PRESSURE, RUDDER FULL PRESSURE AND NR 2 RUDDER HYD LIGHTS ILLUMINATED. MAINTENANCE REPLACED DUAL PRESSURE REGULATOR. OPS CHECKS GOOD.

Part: PUMP — FAILED (RUDDER CONTROL)

DURING CLIMB-OUT, RUDDER PRESSURE, RUDDER FULL PRESSURE AND NR 2 RUDDER HYD PRESSURE LIGHT ILLUMINATED. MAINTENANCE REPLACED NR 2 HYD PUMP. OPS CHECKS GOOD.

Part: BULB — FAILED (CABIN)

DURING INSPECTION, EMERGENCY EXIT SIGN HAS BULBS INOP. MAINTENANCE RELAMPED, OPS CHECK GOOD.

Part: LENS — MISSING (CABIN)

DURING INSPECTION, TWO EMERGENCY LIGHTS INOP AND AN EMERGENCY EXIT LIGHT COVER IS MISSING BY PASSENGER STAIRS. MAINTENANCE RELAMPED EMERGENCY LIGHTS (PN MS25231-316) AND REPLACED EXIT SIGN WITH A NEW LENS, ALL CHECKS GOOD.

Part: LIGHTS — INOPERATIVE (CABIN)

DURING INSPECTION, ALL EMERGENCY LIGHTS INOP. MAINTENANCE CYCLED AIRCRAFT POWER. ALL CHECKS GOOD. (M)

Part: BULB — FAILED (CABIN)

DURING INSPECTION, EMERGENCY OVERHEAD LIGHT 4E INOP. MAINTENANCE RELAMPED. OPS CHECK GOOD. (M)

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DURING INSPECTION, TWO EMERGENCY LIGHTS FOUND INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY. OPS CHECK GOOD. (X)

Part: LAMP — FAILED (CABIN)

DURING INSPECTION, ONE EMERGENCY FLOOR TRACK LIGHT FOUND INOPERABLE. MAINTENANCE RELAMPED. OPS CHECK GOOD. (X)

Part: CONTROL MECH — OUT OF ADJUST (AILERONS)

MSP - FLT 3103 - ON APPROACH, AILERON ROLL COMMAND JAMMED. CREW DE-CLUTCHED AND NO FURTHER PROBLEMS NOTED. MAINTENANCE ADJUSTED TENSION ON PILOT'S CONTROL WHEEL. OPS CHECK OF AILERON CONTROL SYSTEM GOOD. (X)

Part: LAMP — FAILED (CABIN)

DURING INSPECTION, ONE FLOOR TRACK LIGHT WAS FOUND TO BE INOP. MAINTENANCE RELAMPED. ALL CHECKS GOOD. (M)

Part: LIGHT SWITCH — FAILED (CABIN)

DURING C-CHECK, JOB CARD 3350/03, NOTED FLIGHT ATTENDANT'S EMERGENCY LIGHTING SWITCH DID NOT INDICATE NORMAL IN STEP 3 OF JOB CARD. RELAMPED LIGHT SWITCH. OPS CHECK GOOD. (X)

Part: LIGHT — FAILED (COCKPIT)

FLT 3378 - DURING THE PREFLIGHT IN DTW, THE COCKPIT OVERHEAD EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY EXIT LAMP ASSEMBLY. ALL CHECKS SATISFACTORY. (M)

Part: RT UNIT — FAILED (COCKPIT)

FLT NR 3137 - EN ROUTE, THE WEATHER RADAR BECAME INOPERATIVE. THE AIRCRAFT RETURNED TO DTW. MANTENANCE REPLACED THE WEATHER RADAR R/T. ALL CHECKS SATISFACTORY. (M)

Part: WIRE HARNESS — MALFUNCTIONED (LT ENGINE)

FLT 3344 - IN CRUISE FLIGHT FROM DTW, THE CREW NOTED INTERMITTENT TORQUE FLUCTUATIONS FROM THE LEFT ENGINE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT HMU, P/N 786391-6, AND THE LEFT ENGINE HARNESS, P/N 3114792-02. THE TSCU WAS REPLACED AS A PRECAUTION. ALL CHECKS WERE SATISFACTORY. REFERENCE MALA965059.

Part: HMU — MALFUNCTIONED (LT ENGINE)

FLT 3344 - IN CRUISE FLIGHT FROM DTW, THE CREW NOTED INTERMITTENT TORQUE FLUCTUATIONS FROM THE LEFT ENGINE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT HMU, P/N 786391-6, AND THE LEFT ENGINE HARNESS, P/N 3114792-02. THE TSCU WAS REPLACED AS A PRECAUTION. ALL CHECKS WERE SATISFACTORY. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

FLT NR 3066 - DURING THE PREFLIGHT INSPECTION IN DTW, THE CREW NOTED SEVERAL INOPERATIVE FLOOR TRACK EMERGENCY LIGHTS. MAINTENANCE REPLACED THE RIGHT AFT BATTERY PACK. ALL CHECKS SATISFACTORY. (M)

Part: LIGHT — INOPERATIVE (COCKPIT)

FLT NR 3372 - DURING PREFLIGHT INSPECTION IN MSP, THE CREW NOTED THE COCKPIT OVERHEAD EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE PERSONNEL REPLACED THE LIGHT ASSEMBLY. ALL SYSTEMS OPERATED SATISFACTORILY. (M)

Part: BRUSH BLOCK — FAILED (LT PROP)

FLT NR 3006 - DURING CLIMB-OUT FROM DTW, THE LEFT ELEVATOR HORN HEAT CAUTION LIGHT ILLUMINATED AND THE LEFT TRU CIRCUIT BREAKER POPPED. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT PROP DE-ICE BRUSH BLOCK AND C PHASE CIRCUIT BREAKER FUSE. SYSTEM OPERATED SATISFACTORILY. (M)

Part: BYPASS DOOR — WILL NOT OPEN (NR 1 ENGINE)

FLT NR 3094 - EN ROUTE FROM MSP-BMI - THE NR 1 ENGINE INTAKE BYPASS DOOR WOULD NOT OPEN. DUE TO EN ROUTE WEATHER, THE AIRCRAFT RETURNED TO MSP. MAINTENANCE PERSONNEL DEFERRED THE SYSTEM UNDER MEL 71-1 AND THE AIRCRAFT WAS RETURNED TO SERVICE. ALL SYSTEMS OPERATED SATISFACTORILY. (M)

Part: LIGHT — INOPERATIVE (COCKPIT)

DURING A MAINTENANCE GATE WALKAROUND INSPECTION, THE MECHANIC NOTED THE COCKPIT OVERHEAD EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE PERSONNEL REPLACED THE OVERHEAD LIGHT ASSEMBLY. ALL SYSTEMS OPERATED SATISFACTORILY. (M)

Part: HMU — FAILED (NR 2 ENGINE)

FLT 3165 - DURING TAKEOFF FROM DTW, THE NR 2 ENGINE TORQUE SURGED FROM 89 PERCENT TO 105 PERCENT. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE NR 2 HMU. THE SYSTEM OPERATED SATISFACTORILY DURING A TEST FLIGHT. (W)

Part: WIPER BLADE — DETACHED (RT WINDSHIELD)

FLT 3177 - ON CLIMB-OUT FROM DTW, THE FIRST OFFICERS WIPER BLADE DETACHED FROM THE WINDSCREEN. THE AIRCRFT RETURNED TO DTW. MAINTENANCE RESECURED THE FIRST OFFICERS WIPER BLADE. SECURITY CHECK WAS SATISFACTORY. (W)

Part: EEL BATTERY PACK — DISCHARGED (CABIN)

DTW - FLT 3422, DURING THE PRE-FLIGHT FOR THE FIRST FLIGHT OF THE DAY, ALL OF THE CABIN EMERGENCY LIGHTS WERE FOUND INOPERATIVE. MAINTENANCE REPLACED ALL OF THE EMERGENCY LIGHT BATTERY PACKS. SYSTEM OPERATED SATISFACTORILY. (X)

Part: SMOKE LIGHT — MALFUNCTIONED (COCKPIT)

FLT 3022 - IN CRUISE FLIGHT TO CWA, THE 'SMOKE' LIGHT ILLUMINATED. THE CREW PERFORMED QUICK REFERENCE PROCEDURES. THE CREW DIDN'T NOTE ANY EVIDENCE OF SMOKE OR FIRE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. AS A PRECAUTION, THE SMOKE DETECTOR CONTROL AMPLIFIER WAS REPLACED. SYSTEM OPERATED SATISFACTORILY. (Z)

Part: EEL LAMP — FAILED (COCKPIT)

FLT 3033 - IN CRUISE FLIGHT TO DTW, THE COCKPIT CEILING EMERGENCY LIGHT WOULD INTERMITTENTLY GO TO BRIGHT. MAINTENANCE REPLACED THE EMERGENCY EXIT LAMP ASSEMBLY. SYSTEM OPERATED SATISFACTORILY. (Z)

Part: EEL — FAILED (COCKPIT)

FLT 3033 - DURING THE POST FLIGHT IN DTW, THE COCKPIT CEILING EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE LIGHT ASSEMBLY. SYSTEM OPERATED SATISFACTORILY. (Z)