N48FB

ATA 5730

Part: SKIN — CORRODED (RT WING) · airframe 5,069 hrs · 3,372 cycles

MISSING PAINT WITH MINOR CORROSION ON MIDDLE RT WING, UNDER THE SLAT, AT THE WING LIFTING POINT. CORROSION IS LOCATED ON WING PLANK AT LIFT POINT IN MACHINED CUTOUT. CUTOUT IS FILLED WITH SEALANT. CORROSION LOCATED UNDER SEALANT ON WING PLANK. REMOVED CORROSION AND DETERMINED REMAINING MATERIAL THICKNESS. RECEIVED APPROVAL FROM MFG, DATED 05/08/08 TO PERFORM NDT INSPECTION FOR CRACKS, APPLY ANTI CORROSION PROTECTION IAW THE MM 20-600, APPLY PREVENTITIVE TO CAVITY, FILL WITH 3M STRUCTURAL VOID FILLING COMPOUND NR3524 TO RESTORE CONTOUR AND APPLY PAINT IAW 20-605. AIRCRAFT WAS RETURNED TO SERVICE.

ATA 8300

Part: GEARSHAFT — WORN (LP GEARBOX)

(REF CNTRL NR: PA05005) THE S.O.A.P. LAB REPORT INDICATED HIGH LEVEL OF IRON (STEEL) IN THE ENGINE. THE SAMPLE INDICATED A SPECIFIC (BELLEVILLE) WASHER IN THE LP COMPRESSOR GEARBOX WAS FAILING DUE TO A SHIFTING OF THE LP PLANETARY GEARSHAFT ASSY. AC WAS FERRIED FOR REPAIRS. ENGINE WAS DISASSEMBLED AS NECESSARY AND THE PLANETARY GEARSHAFT ASSEMBLY WAS REPLACED IAW THE 731 LIGHT MM. ALL REQUIRED OPERATIONAL CHECKS WERE CARRIED OUT IAW THE 731 LIGHT MM AND AIRCRAFT WAS RETURNED TO SERVICE. (K)

ATA 5753

Part: STRUCTURE — CRACKED (TE FLAP)

KPTK - FOUND RIGHT FLAP HAS A CRACK ON THE UPPER SURFACE AT RIB NR 20. REPAIRED CRACK IAW STRUCTURE REPAIR MANUAL, 57-50-22, PAGE 204, FIGURE 203. FLAP WAS RETURNED TO SERVICE. (M)

ATA 7160

Part: BULKHEAD — CRACKED (RT INLET COWL) · airframe 9,630 hrs · 6,354 cycles

THE RIGHT ENGINE COWL AFT BULKHEAD IS CRACKED AT THE 12 OCLOCK POSITION. PROBABLE CAUSE IS VIBRATION.

ATA 5412

Part: BULKHEAD — CRACKED (LT NACELLE) · airframe 9,630 hrs · 6,354 cycles

THE LT ENGINE NACELLE AFT BULKHEAD IS CRACKED AT THE 6 O`CLOCK POSITION. PROBABLE CAUSE IS VIBRATION.(K)

ATA 5522

Part: SKIN — CORRODED (LT ELEVATOR LE)

WHILE PERFORMING INSPECTION ON THE ELEVATORS, FOUND CORROSION ON THE UPPER AND THE LOWER LEADING EDGE SKIN SURFACES OF THE LEFT ELEVATOR. THE CORROSION WAS CONCENTRATED WHERE THE SKIN IS FASTENED TO THE ELEVATOR FRONT BEAM. AFTER REMOVING THE CORROSION AND BLENDING THE AREA FOUND THAT TWO SIGNIFICANT AREAS WHERE THE CORROSION WENT BEYOND THE LIMITS OF THE SRM. DETERIORATION OVER TIME. C/A: REPAIRED MINOR SURFACE CORROSION ON THE INBOARD LEADING EDGE OF THE ELEVATOR IAW MFG FIELD REPAIR, CORROSION ON ELEVATOR, LEADING EDGE SKIN, BETWEEN INNER HINGE AND CENTER HINGE.

ATA 5522

Part: SKIN — CORRODED (RT ELEVATOR)

WHILE PERFORMING INSPECTION ON THE ELEVATORS, FOUND CORROSION ON HT UPPER AND THE LOWER LEADING EDGE SKIN SURFACES OF THE RT ELEVATOR. THE CORROSION WAS CONCENTRATED WHERE THE SKIN IS FASTENED TO THE ELEVATOR FRONT BEAM. AFTER REMOVING THE CORROSION AND BLENDING THE AREA FOUND THAT TWO SIGNIFICANT AREAS WHERE THE CORROSION WENT BEYOND THE LIMITS OF THE SRM.

ATA 5522

Part: SKIN — CORRODED (ELEVATOR) · airframe 9,630 hrs · 6,354 cycles

WHILE PERFORMING INSPECTION ON THE ELEVATORS, FOUND CORROSION ON THE UPPER AND THE LOWER LEADING EDGE SKIN SURFACES OF THE LT ELEVATOR. THE CORROSION WAS CONCENTRATED WHERE THE SKIN IS FASTENED TO THE ELEVATOR FRONT BEAM. AFTER REMOVING THE CORROSION AND BLENDING THE AREA, FOUND THAT TWO SIGNIFICANT AREAS WHERE THE CORROSION WENT BEYOND THE LIMITS OF THE SRM. DETERIORATION OVER TIME.

ATA 5244

Part: DOOR — OPEN (ACCESSORY BAY)

FLIGHT CREW NOTED A VIBRATION AFTER TAKEOFF AND RETURNED TO DEPARTURE AIRPORT. THE CREW NOTED THAT THE AFT EQUIPMENT BAY DOOR WAS OPEN AFTER LANDING. INITIAL INSPECTION OF THE DOOR LATCHES REVEALED NO DAMAGE OR EVIDENCE OF MALFUNCTION. IT IS UNKNOWN AT THIS TIME WHAT CAUSED THE DOOR TO OPEN. THERE IS NO WARNING LIGHT SYSTEM FOR THIS DOOR. THE DOOR WAS INSPECTED AND IT WAS NOTED THAT THE ACM EXHAUST DUCT WAS MISSING. THE DOOR HAD MINOR EDGE DAMAGE, WHICH WAS TEMPORARILY REPAIRED FOR A FERRY FLIGHT. (M)

ATA 3246

Part: BEARING — FAILED (RT MLG)

THE RIGHT OUTBOARD WHEEL NR 4 DEPARTED THE AIRCRAFT DURING TAKEOFF FROM KDIK. THE OUTER WHEEL BEARING FAILED ALLOWING THE WHEEL TO SLIDE FROM THE AXLE. (M)

ATA 3246

Part: BEARING — FAILED (RT MLG)

THE RIGHT OUTBOARD WHEEL NR 4 DEPARTED THE AIRCRAFT DURING TAKEOFF FROM KDIK. THE OUTER WHEEL BEARING FAILED, ALLOWING THE WHEEL TO SLIDE FROM THE AXLE. AFTER EXAMINATION OF THE WHEEL, IT APPEARS THAT THE INNER BEARING HAD ALSO FAILED. THE AXLE ASSEMBLY WHICH WAS DAMAGED FROM THE BEARING FAILURE WAS REPLACED. THE NR 4 WHEEL WAS REPLACED. THE NR 3 WHEEL WAS REPLACED AS A PRECAUTIONARY MEASURE. THE STRUT WAS SERVICED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)