N574AM

ATA 5320

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 6,490 hrs · 13,070 cycles

CORROSION WAS FOUND ON THE CABIN FLOOR EDGING ON THE LH AND RH SIDE (P/N: 350A21-1359-20/21)

ATA 5311

Part: SUPPORT BEAM — ELONGATED (ZONE 200) · airframe 5,875 hrs · 11,997 cycles

DAMAGE WAS DISCOVERED ON THE L/H BEAM UNDER THE ENGINE DECK (P/N: 355A21-2110.25) IN THE FORM OF AN ELONGATED HOLE IN THE LOWER FLANGE NEAR THE AFT END OF THE PART

ATA 5310

Part: DECK PLATE — CHAFED (TRANSMISSION BAY) · airframe 5,507 hrs · 11,300 cycles

THE RH TRANSMISSION DECK EDGING (PN 350A21-1041-22) HAS A GOUGE THAT IS UP TO 0.200” IN DIAMETER AND ALMOST THROUGH THE PART.

ATA 5310

Part: STRUCTURE — SEPARATED (GEARBOX BAY) · airframe 5,338 hrs · 10,889 cycles

RT LOWER MAIN GEARBOX COWLING DEPARTED AIRCRAFT IN FLIGHT AND STRUCK THE TAIL ROTOR OF THE AIRCRAFT AFTER THE IMPACT THE AIRCRAFT HAD TO MAKE A PRECAUTIONARY LANDING. THIS AIRCRAFT REMAINS OUT OF SERVICE AT THIS TIME WHILE ALL OF THE REQUIRED INSPECTIONS ARE COMPLETED, AND A REPLACEMENT COWLING IS ACQUIRED.

ATA 5321

Part: FLOOR PANEL — CORRODED (CABIN) · airframe 5,326 hrs · 10,867 cycles

CORROSION WAS DISCOVERED ON THE RIGHT HAND SIDE CABIN FLOOR EDGE SECTION (AIRBUS PN 350A21-1359) RANGING FROM STA 1120 TO 2437.

ATA 5302

Part: SKIN — DENTED (TAIL BOOM) · airframe 5,326 hrs · 10,867 cycles

AC 4613 HAS A SMOOTH DENT ON THE TAILBOOM’S RT SKIN LOCATED AT APPROXIMATELY STA 8098, WL 1829, AND BL 70R JUST FORWARD OF THE HORIZONTAL STABILIZER OPENING. THE DENT IS .4 BY .4 AND .035 AT ITS DEEPEST.

ATA 5310

Part: DECK PLATE — DENTED (ENGING BAY) · airframe 5,326 hrs · 10,867 cycles

A/C 4613 HAS SEVERAL DENTS LOCATED ON THE ENGINE DECK LOCATED AT APPROXIMATELY STA 4387, WL 1759, AND BL 650L. THE DAMAGE IS IN AN AREA 2.4 BY 1.8 WITH THE DEEPEST DENT MEASURING .045. THE DENTS ARE LOCATED ABOVE A FRAME WHICH IS UNDAMAGED.

ATA 5311

Part: FRAME — CHAFED (FUSELAGE) · airframe 4,679 hrs · 9,411 cycles

CHAFING NOTED ON THE LEFT HAND X-FRAME P/N: 350A21-1051

ATA 2120

Part: UNKNOWN — ODOR (COCKPIT) · airframe 3,025 hrs · 6,226 cycles

PILOT & CREW REPORTED STRONG BURNING RUBBER SMELL IN COCKPIT AT ENG RUN UP TO IDLE. PILOT ABORTED FLIGHT & CALLED MECHANIC. CHECKED ACFT SYS, FINDING NO OBVIOUS DEFECTS. HAD PILOT RUN ENG AT IDLE & FULL POWER WHILE CHECKING VARIOUS SYSTEMS INCLUDING BLEED AIR DEMISTER SYS & AIR CONDITIONING SYS. NO INDICATION WARNING LIGHTS WERE ILLUMINATED & NO DEFECTS WERE NOTED. SMELL WAS NEVER REPRODUCED EVEN FAINTLY & ACFT WAS RETURNED TO SERVICE. MECHANIC BELIEVES SMELL MAY HAVE BEEN FROM PORTABLE ELEC HEATER THAT SITS ON LITTER & KEEPS CABIN WARM IN THE WINTER. SOMETIMES THE WARM AIR ENHANCES THE SMELL OF THE RUBBER & PLASTIC TYPE LITTER MATTRESS PAD COVERING, AS THIS ALSO IS NOTICEABLE IN THE SUMMERTIME, IF THE SUNSHADE IS NOT INSTALLED ON WINDSCREEN.

ATA 5302

Part: ACCESS PANEL — CRACKED (TAILBOOM) · airframe 1,554 hrs · 3,716 cycles

FOUND 10MM CRACK IN TAILBOOM MOUNTED BATTERY ACCESS DOOR, TOP RT CORNER, DURING 100HR A/F INSPECTION.

ATA 2120

Part: UNKNOWN — SMOKE (COCKPIT) · airframe 841 hrs · 1,476 cycles

SMOKE IN CABIN FRONT LT SIDE OF INSTRUMENT PANEL, WHILE IN HOVER. PERFORMED COMPLETE INSP OF AFFECTED AND SURROUNDING AREAS. NO EVIDENCE OF SMOKE OR FAULTY WIRING FOUND. SUSPECT SMOKE WAS POSSIBLY CHAFED FROM GLARESHIELD/WINDSHIELD CENTER POST, BLOWN THRU VENTS. PERFORMED OPS FLIGHT CHECK SATISFACTORY. ACFT APPROVED RETURN TO SERVICE.

ATA 3397

Part: WIRE HARNESS — FAULTY (CABIN)

DFW EMERGENCY LIGHT INOPERATIVE AT SEAT 16D. REPLACED LIGHT HARNESS AT SEAT 16D. SYSTEM GROUND CHECKED NORMAL OPERATION.