N312AE

Part: POWERPACK — DISCHARGED (CABIN)

FLT 9730 - EMERGENCY EXIT LIGHTING SYSTEM BULBS EXTINGUISHING IN MULTIPLE RANDOM AREAS AFTER 10-30 SECONDS. MAINTENANCE REMOVED AND REPLACED EMERGENCY POWER PACKS AT 21LN S/N 19193, 20LN S/N 19342, 22LN S/N 17164, 23LN S/N 15481 AND 24LN S/N 18083. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: HYDRAULIC LINE — CRACKED (NLG WW)

PMD - FLT 3056 - HYDRAULIC LEAK DURING FLIGHT AND SUBSEQUENT LOSS OF ALL MAIN HYDRAULIC PRESSURE. MAINTENANCE FOUND THE NOSE GEAR RETRACTION LINE CRACKED. HYDRAULIC LINE WAS REMOVED AND REPLACED. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: PSU — DAMAGED (SEAT 3)

LAX - FLT 3237 - DURING TAKEOFF ROLL, EMERGENCY DECLARED DUE TO SMOKE IN CABIN. SMOKE COMING FROM OVERHEAD ON LEFT SIDE OF CABIN NEAR THE CABIN LIGHTS AT 3A AND AFT OF MAIN ENTRY DOOR. FOUND SINGLE PSU PANEL ABOVE SEAT 3A DAMAGE AND BURNED. REMOVED AND REPLACED PSU PANEL IAW SAAB 23-30-35. OPS CHECK GOOD. (M)

Part: BULB — INOPERATIVE (CABIN)

SBA - FLT 3039 - EMERGENCY LIGHT OUT AT ROW 4. REMOVED AND REPLACED LIGHT BULB AT ROW 4. OPS CHECK GOOD. (M)

Part: POWER SUPPLY — INOPERATIVE (CABIN)

SAN - FLT 3010 - EMERGENCY FLOOR LIGHTS AND EXIT LIGHTS GOES OUT WITHIN 45 SECONDS OF BEGINNING OF TEST. REMOVED AND REPLACED POWER SUPPLY AT 23L. OPS CHECK GOOD. (M)

Part: SIGN — LOOSE (CABIN)

LAX - FLT 3200 - EMERGENCY EXIT SIGN ABOVE FLIGHT ATTENDANTS SEAT IS LOOSE. RESECURED EXIT SIGN. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ENGINE — FAILED (LEFT)

LAS - FLT 3432 - ON TAKEOFF AT APPROXIMATELY 1,100 FEET AGL, HAD WHAT SEEMED TO BE A COMPRESSOR STALL ON THE LEFT ENGINE. TURNED CTOT OFF AND RETARDED POWER LEVER AND THE LEFT WAS STILL POPPING AND THE OVERTEMP WARNING LIGHT WAS ON AND THE TEMPERATURE INDICATION WAS 1,035 DEGREES. SHUT DOWN THE ENGINE AND RETURNED TO THE FIELD. REMOVED AND REPLACED LEFT ENGINE ASSEMBLY. OPERATIONAL CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. PART TC: 19,841. (X)

Part: BULB — FAILED (CABIN)

LAX - FLT 3237 - EMERGENCY OVERHEAD LIGHT AT SEAT 14A DOES NOT ILLUMINATE. REMOVED AND REPLACED BULB SEAT 14A. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SOCKET — FAILED (RT EMER EXIT)

SBP - SIDE WALL EMERGENCY EXIT LIGHT ADJACENT TO RIGHT FORWARD EMERGENCY EXIT DOES NOT ILLUMINATE. REMOVED AND REPLACED BOTH LIGHT SOCKETS. OPERATIONAL CHECK GOOD. (M)

Part: PSU — MALFUNCTIONED (SEAT BC)

LAX - OVERHEAD EMERGENCY LIGHT AT SEAT 5BC DOES NOT ILLUMINATE. REMOVED AND REPLACED PSU PANEL. OPERATIONAL CHECK GOOD. (M)

Part: HOLDER — BROKEN (CABIN)

SBP - CABIN EMERGENCY FLOOR PROXIMITY LIGHT LENSE HOLDERS AT SEATS 3B AND 11B ARE BROKEN. REMOVED AND REPLACED FLOOR PROXIMITY LIGHT LENSE HOLDERS AT SEAT 3B AND 11B. (X)

Part: STRUT — REQD SERVICE (LT MLG)

CONFIGURATION WARNING LIGHT ILUMINATED AND THE LANDING GEAR REQUIRED THE USE OF OVERRIDE TO RETRACT THE GEAR. MAINTENANCE SERVICED THE LEFT MAIN LANDING GEAR STRUT AND PERFORMED GEAR SWINGS.

Part: TOILET — OVERSERVICED (LAVATORY)

CREW REPORTED A STRONG OFFENSIVE ODOR, THE MORE FORWARD IN THE AIRCRAFT THE STRONGER THE ODOR. MAINTENANCE FOUND THE TOILET HAD BEEN OVERSERVICED SPILLING A LARGE AMOUNT OF BLUE WATER IN THE BELLY OF THE AIRCRAFT. THE TOILET FLUID WAS CLEANED AND NEUTRALIZED. PERFORMED OPERATIONAL AND LEAKS CHECKS.

Part: BATTERY — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS AT SEATS 8A, 9A AND 11A FAIL TO ILLUMINATE. MAINTENANCE REPLACED EMERGENCY BATTERY 22LN, ALL LIGHTS CHECKED GOOD IAW SAAB AMM 33-50.

Part: TIRE — FAILED (NR 1 MLG)

THE LEFT OUTBOARD MAIN TIRE BLEW OUT ON LANDING. THE ANTI-SKID FAIL LIGHT ILLUMINATED AFTER TOUCHDOWN THEN WENT OUT, ILLUMINATED AGAIN BRIEFLY AND WENT OUT AGAIN. MAINTENANCE REPLACED NR 1 MLG WHEEL ASSEMBLY (P/N 5010488) (S/N MAY941706), THE NR 1 BRAKE ASSEMBLY (P/N 50125892) (S/N MAR910641) AND THE NR 1 ANTI-SKID TRANSDUCER (P/N 140041) (S/N 1762). THE NR 2 MLG WHEEL ASSEMBLY WAS REPLACED DUE TO THE BLOW OUT OF THE NR 1 TIRE.

Part: FRAME — DAMAGED (AFT CARGO DOOR)

FUSELAGE AFT CARGO DOOR FRAME DAMAGED ON GROUND. IMPACTED AREA REVEALED DELAMINATION AND SEPARATION OF SKIN LAYER, APPROXIMATELY 5 INCHES BY 3.50 INCHES AT BS 685 AND WL 781. INSPECTED TRANSMISSION THROUGH ULTRASONIC.

Part: PRESS TRANS — DEFECTIVE (MAIN HYD SYST)

MAIN HYDRAULIC LIGHT ILLUMINATED AND THE PRESSURE INDICTIONS WERE AT THE RED LINE. THE CREW PERFORMED AN EMERGENCY LANDING GEAR EXTENSION AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED THE GEAR DOORS AND INSTALLED THE LANDING GEAR PINS. THE AIRCRAFT WAS FERRIED TO LAX WHERE THE HYDRAULIC PRESSURE TRANSMITTER WAS REPLACED. NO LEAKS OR OTHER PROBLEMS WERE FOUND. THE AIRCRAFT WAS RELEASED TO SERVICE.

Part: DPU — FAILED (LT AVIONICS)

AFTER TAKEOFF, THE CREW SMELLED ELECTRICAL SMOKE. THE CAPTAINS EADI SCREEN WENT BLANK AND THE SMOKE STOPPED WHEN THE LEFT AVIONICS WAS SWITCHED OFF. THE AVIONICS SMOKE LIGHT ON THE ANNUNCIATOR PANEL DID NOT ILLUMINATE. THE AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. UPON INVESTIGATION MAINTENANCE FOUND THE LEFT DIGITAL PROCESSING UNIT, DPU FAILED. REPLACED LEFT DPU, EFIS SCREEN AND THE AVIONICS RACK FILTER. AIRCRAFT RELEASED FOR SERVICE.