N501AS

ATA 5280

Part: HINGE BRACKET — CRACKED (LT MLG DOOR)

DURING HANGER MAINTENANCE, THE LEFT MAIN LANDING GEAR OUTBOARD AFT GEAR DOOR AFT HINGE AFT L BRACKET WAS FOUND CRACKED. A CRACK WAS ALSO FOUND ON THE LEFT OUTBOARD FORWARD GEAR DOOR AFT HINGE FORWARD L BRACKET. MAINTENANCE REMOVED AND REPLACED THE CRACKED MAIN LANDING GEAR DOOR BRACKETS. AIRCRAFT OK FOR SERVICE.

ATA 5280

Part: STRINGER — CRACKED (LEFT WING)

DURING HANGER MAINTENANCE, STRINGER NR 10 WAS FOUND CRACKED AT THE RIVET HOLE AROUND THE INBOARD FUEL PANEL, INBOARD OF THE LEFT NACELLE. MAINTENANCE REPAIRED THE CRACKED STRINGER IAW SRM. AIRCRAFT OK FOR SERVICE.

ATA 3350

Part: BULB — BURNED OUT (CABIN)

FLT 4945 - DURING GROUND INSPECTION IN ATL, THE LEFT AFT EXTERIOR EMERGENCY LIGHT WAS FOUND INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BURNED OUT EXTERIOR EMERGENCY LIGHT BULB (P/N 1317). MAINTENANCE ALSO FOUND A LOOSE WIRE CONNECTION (P/N M22759209) THAT WAS REPAIRED. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

ATA 5300

Part: SKIN PANEL — CORRODED (FUSELAGE)

DURING SCHEDULED MAINTENANCE IN MCN, CORROSION WAS FOUND ON THE SKIN AT FRAMES 22 AND 23, BETWEEN STRINGERS 20 LEFT AND 20 RIGHT. MAINTENANCE REPAIRED AIRCRAFT IAW ASA EO120-53-0167. THIS EO STATES REPAIR SPECIFICATIONS FOR FRAME 22 AND 23 SKIN CORROSION REPAIR ON AIRCRAFT N501AS. (M)

ATA 2150

Part: ACM — INOPERATIVE (AFT) · airframe 19,489 hrs

FLT 8501 - CREW REPORTED SMOKE IN CABIN AND COCKPIT WHEN POWER LEVERS WERE PULLED BACK BEOW 35 PERCENT TORQUE IN BOTH AUTO AND MANUAL LOW BLEEDS AT HIGH ALTITUDES. MAINTENANCE REMOVED NR 1 ENGINE ASSEMBLY IAW EMB MM. MAINTENANCE IS WAITING ON TEAR DOWN REPORTS. (X)

ATA 7920

Part: LEAD — INOPERATIVE (ENGINE)

FLT 8501 - CREW REPORTED SMOKE IN CABIN AND COCKPIT WHEN POWER LEVERS WERE PULLED BACK BELOW 35 PERCENT TORQUE IN BOTH AUTO AND MANUAL LOW BLEEDS AT HIGH ALTITUDES. TEARDOWN REPORTS SHOWED A CRACKED OIL SUPPLY LEAD IN THE GAS GENERATOR CASE CAUSED OIL CONTAMINATION IN THE BLEED SYSTEM. (M)

ATA 2150

Part: ACM — INOPERATIVE (AFT FUSELAGE)

AFTER TAKEOFF ATL-ILM, THE CREW NOTICED A BURNING OIL TYPE SMELL COMING FROM THE AIR CONDITIONING SYSTEM, FOLLOWED BY THE LAVATORY SMOKE DETECTOR GOING OFF. THE CREW SHUT OFF THE AIR CONDITIONING SYSTEM, DECLARED AN EMERGENCY AND RETURNED TO ATL WHERE LANDING WAS MADE SAFELY AND WITHOUT FURTHER INCIDENT. ATL MAINTENANCE FOUND THE LEFT ACM SEIZED UP. REMOVED AND REPLACED THE ACM. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

ATA 2550

Part: INSULATION — LOOSE (CARGO COMPT)

IN CRUISE FLT AT 20,000 FT DFW-OKC, THE AURAL ALERT 'CABIN ALTITUDE' SOUNDED. THE CABIN WAS AT 10,000 FT AND CLIMBING AT 700 FPM. CREW PERFORMED CHECKLIST IAW/POH, DECLARED AN EMERGENCY AND DESCENDED TO 10,000 FEET AT WHICH POINT THE CABIN BEGAN TO REPRESSURIZE. LOCAL MAINTENANCE C/W THE MEL AND DEFERRED THE PRESSURIZATION, SECURING BOTH OUTFLOW VALVES. UPON ARRIVAL IN DFW, MAINTENANCE REMOVED THE SAFETY FROM THE OUTFLOW VALVES, FOUND WALL INSULATION BLOCKING OUTFLOW VALVES FROM CLOSING AND SECURED INSULATION TO THE WALL. NO FURTHER DEFECTS WERE FOUND AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

ATA 7160

Part: INLET CLAMP — DEFECTIVE (LT ENGINE)

CLIMBING THROUGH 14,000 FEET ATL-FLO, AIRCRAFT EXPERIENCED A T6 SURGE AND THE TORQUE FELL APPROXIMATELY 10 PERCENT. CAPTAIN NOTICED THAT THE LEFT ENGINE INLET DUCT WAS SEPARATED FROM THE BOOT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO ATL WHERE LANDING WAS MADE SAFELY AND WITHOUT INCIDENT. SECURED THROAT BOOT ASSEMBLY CLAMP AND REPLACED INLET DUCT CLAMP. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RELEASED FOR SERVICE. (M)