N170LS

Part: SKIN — CHAFED (RT WING LE) · airframe 10,147 hrs · 10,333 cycles

AT SCHEDULED INSPECTION DISCOVERED RIGHT WING LEADING EDGE TO HAVE CHAFE DAMAGE, SCUFF MARKS BLENDED OUT. REMAINING MATERIAL THICKNESS DETERMINED TO BE APPROVED FOR CONTINUED SERVICE BY FAA DER, DERT-405106-CE.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 10,091 hrs · 10,290 cycles

SHORTLY AFTER CLIMBING THROUGH 10,000 FEET THE RIGHT WINDSHIELD CRACKED. LEVELED OFF AT 10,800 FEET AND REQUESTED DESCEND TO 10,000 FEET. THE INNER LAYER WAS STILL SOLID AND ALL OTHER SYSTEMS WERE WORKING NORMALLY. CONTINUED TO DESTINATION WITHOUT FURTHER INCIDENT. WINDSHIELD REPLACED WITH NEW.

Part: SKIN — CORRODED (THRUST REVERSER) · airframe 9,554 hrs · 9,872 cycles

AT POST PAINT INSPECTION, DETERMINED RIGHT THRUST REVERSER LOWER SKIN TO BE CORRODED. SKIN REPLACED WITH ONE FABRICATED PER APPROVED FAA DER DRAWING.

Part: SKIN — CORRODED (FUSELAGE) · airframe 9,554 hrs · 9,872 cycles

AT PAINT POST STRIPPING INSPECTION DETERMINED THE BELOW LISTED AREAS ON SKINS WERE CORRODED. CORROSION REMOVED AND DETERMINED BEYOND MANUFACTURES RECOMMENDATION.

Part: SKIN — CORRODED (RT WING)

AT PAINT POST STRIPPING INSPECTION DETERMINED THE BELOW LISTED AREAS WERE CORRODED. CORROSION REMOVED AND DETERMINED BEYOND MANUFACTURES RECOMMENDATION.

Part: SKIN — CORRODED (THRUST REVERSER) · airframe 9,554 hrs · 9,872 cycles

AT PAINT POST STRIPPING INSPECTION, DETERMINED RIGHT THRUST REVERSER UPPER SKIN TO BE CORRODED. SKIN REPLACED WITH ONE FABRICATED PER APPROVED DATA IN FAA DER DRAWING.

Part: FAIRING — CORRODED (VERTICAL STAB) · airframe 9,554 hrs · 9,872 cycles

AFTER PAINT STRIPPING PROCESS DETERMINED VERTICAL STABILIZER TOP AFT FAIRING TO BE CORRODED. CORROSION WAS REMOVED AND DOUBLER REPAIR INSTALLED PER APPROVED DATA IN FAA DER DRAWING.

Part: SKIN — CORRODED (WINGS) · airframe 9,552 hrs · 9,869 cycles

CORROSION WAS DISCOVERED AT THE FOLLOWING LOCATIONS. CORROSION WAS MECHANICALLY CLEANED. CORROSION WAS BEYOND. MANUFACTURE ACCEPTED STRUCTURAL REPAIR MANUAL.

Part: ANGLE — CORRODED (BS 520) · airframe 9,552 hrs · 9,869 cycles

WHILE PERFORMING 9600 HOUR INSPECTION DISCOVERED LAND ANGLE AT BS 520 TO BE CORRODED. CORROSION WAS ON AFT SURFACE LOWER POSITION AND DETERMINED TO BE OUT OF LIMITS. OPEN

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 9,552 hrs · 9,869 cycles

WHILE PERFORMING 9600 HOUR INSPECTION, DETERMINED RIGHT WING OUTBOARD LOWER SKIN UPPER SURFACE TO HAVE CORROSION AT WS 260 AT COVE SURFACE INTERFACE. CORROSION DETERMINED OUT OF LIMITS. CORROSION CLEANED, SURFACE BLENDED, FILLED WITH EPOXY PASTE AND DOUBLER INSTALLED.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 8,375 hrs · 9,034 cycles

ENROUTE AT APPROX FL 220 THE RT COCKPIT WINDSCREEN SHATTERED, ACCOMPANIED WITH A LOUD BANG NOISE. WE ADVISED ATC THAT WE NEEDED TO DIVERT & REQUESTED A LOWER ALTITUDE. WE WERE GIVEN A DESCENT CLEARANCE TO 1000 FEET BELOW OUR ALTITUDE UPON WHICH WE REQUESTED AN IMMEDIATE CLEARANCE TO 10,000 FEET DUE TO A SHATTERED WINDSCREEN. WE RECEIVED AN INITIAL CLEARANCE TO 11,000 FEET & DIVERTED. WE LANDED WITHOUT INCIDENT. ATC CALLED EMER. WINDSHIELD REPLACED. NO ROOT CAUSE FOR FAILURE DETERMINED.

Part: ADC — FAILED (NR 1)

30 MIN INTO FLIGHT, AC EXP MULTIPLE FAILURES, WITH LOSS OF NR 1 ADC, LOSS OF CABIN PRESS WITH CABIN EXCEEDING 10,000 BUT NO MORE THAN 11,000 FT, CABIN O2 MASKS DID NOT DEPLOY. EMER CHECK LIST FOR ALL FAILURES AND LOSS OF CABIN PRESS WERE INITIATED, FOLLOWED, CREW DONNED O2 MASKS. IN-FLIGHT EMER WAS DECLARED WITH ATC, AC LANDED BACK AT DEPARTURE. NR 1 ADC FAILURE ATTRIBUTED TO CABIN LOSS OF PRESS. NR 1 ADC WAS REPLACED WITH AN INSP UNIT. GROUND FUNC ADC CHECKS, CABIN PRESS WERE PERFORMED,SATISFACTORY RESULTS. AC WAS FLOWN FOR FUNCTIONAL CHECK, GOOD RESULTS. FOLLOW-UP, FAA AND MFG TO INVESTIGATE ADC FAILURE, INITIATING A LOSS OF CABIN PRESS. SUPP WLL BE ISSUED UPON RECEIPT OF TEARDOWN REPORT. (K)