N71

Part: LANDING GEAR — COLLAPSED (RIGHT) · airframe 16,968 hrs · 8,750 cycles

RIGHT MAIN LANDING GEAR COLLAPSED ON LANDING ROLLOUT.

Part: STRINGER — DAMAGED (BS 280-285.2) · airframe 16,730 hrs · 8,617 cycles

MAJOR REPAIR ENGINEERING ORDER TO REPAIR DAMAGE FOUND DURING INSPECTION IN THE WEB OF STRINGER CAUSED BY SCREW THREADS, WHICH IMPINGED ON THE STRINGER WEB DUE TO AN IMPROPERLY LOCATED NUTPLATE

Part: PRESSURE SWITCH — MALFUNCTIONED (FUEL TRANSFER) · airframe 16,721 hrs · 8,613 cycles

RT FUEL XFER AMBER LIGHT CAME ON IN FLIGHT LONG WITH LOW PRESSURE LIGHT. MAINTENANCE REPLACED RIGHT ENGINE LOW FUEL PRESSURE SWITCH.

Part: TUBE — CHAFED (BLEED SIR) · airframe 16,222 hrs · 8,390 cycles

RIGHT BLEED AIR FAIL ILLUMINATED IN FLIGHT, WENT OUT DURING DESCENT. FOUND EVA TUBING CHAFED ON THE METAL TAPE AROUND BLEED LINE, OTBD OF RT INBD WING. NO EVIDENCE OF BLEED AIR LEAK. REPAIRED WITH SPLICE TUBE.

Part: PRESSURE BLKHD — GOUGED (ZONE 100) · airframe 15,823 hrs · 8,225 cycles

MID RIGHT ZONE OF THE AFT PRESSURE BULKHEAD IS GOUGED. REPAIRED IAW EO 15-28-10.

Part: PRESSURE BLKHD — GOUGED (ZONE 200) · airframe 15,823 hrs · 8,225 cycles

UPPER LEFT ZONE OF AFT PRESSURE BULKHEAD IS GOUGED. REPAIRED IAW EO 15-28-10.

Part: BULKHEAD WEB — GOUGED (ZONE 200) · airframe 15,823 hrs · 8,225 cycles

UPPER RIGHT ZONE OF THE AFT PRESSURE BULKHEAD IS GOUGED. REPAIRED IAW EO 15-28-10.

Part: TUBE — DAMAGED · airframe 15,024 hrs · 7,851 cycles

LEFT BLEED AIR FAIL & MASTER CAUTION ILLUMINATED. WARNING LIGHT EXTINGUISHED AFTER COMPLETING IMMEDIATE ACTION ITEMS. FOUND EVA TUBING IN NEED OF REPAIR. REPAIRED TUBING. NO FURTHER ACTION REQUIRED.

Part: SENSE LINE — DAMAGED (RT NACELLE) · airframe 15,010 hrs · 7,846 cycles

RIGHT BLEED AIR FAIL & MC ILLUMINATED. A HOLE WAS DISCOVERED IN THE EVA SENSE LINE IN RT NACELLE LE. LINE WAS REPLACED WITH NO DEFECTS NOTED.

Part: SWITCH — OUT OF ADJUST (CABIN DOOR) · airframe 14,936 hrs · 7,800 cycles

CABIN DOOR ANNUNCIATOR ILLUMINATED DURING FLIGHT. ADJUSTED CABIN DOOR LOCK SWITCH.

Part: TUBE — RUPTURED (BLEED AIR SYS) · airframe 14,936 hrs · 7,799 cycles

WITH RT BLEED AIR PNEUMATIC ENV OFF, RT BLEED FAIL LIGHT INTERMITTENT ON & OFF. FOUND & REPLACED RUPTURED EVA TUBE.

Part: SKIN — CRACKED (FUSELAGE) · airframe 14,935 hrs · 7,798 cycles

CRACKS SUSPECTED IN FUSELAGE SKIN VERIFIED BY NDT. THE DAMAGED AREA IS LOCATED INBD OF STRINGER 14L & NEAR FRAME 177.5. THE TWO FORE AFT CRACKS IN THE BELLY SKIN ARE APPROX 3.5 INCHES LONG & RUN FROM APPROX 1.5 INCH AFT TO 1.8 INCH FWD OF FRAME 177.5 & ARE ROUGHLY 1 INCH INBD OF STRINGER 14LH. THE SIDE TO SIDE CRACK IN THE SKIN UNDER FRAME 177.5 RUNS FROM ROUGHLY 1.5 INCH INBD TO 3.5 INCH INBD OF STRINGER 14LH. THE CRACK IN THE FS 177.5 FRAME IS IN THE BEND RADIUS BETWEEN THE WEB & CHORD & RUNS APPROX 4 INCH INBD FROM THE STRINGER 14LH. REPAIRED USING EO.

Part: LIGHT — INOPERATIVE (COCKPIT) · airframe 13,397 hrs · 7,037 cycles

ON APPROACH, LANDING GEAR EXTENDED. LANDING GEAR APPEARED TO EXTEND NORMALLY, HOWEVER RIGHT MAIN GEAR INDICATED UNSAFE (GREEN DOWN AND LOCKED LIGHT NOT ILLUMINATED). ATC ADVISED OF INTENTION TO HOLD WEST OF AIRPORT IN ORDER TO UTILIZE "LANDING GEAR UNSAFE INDICATION" ABNORMAL CHECKLIST. EXECUTED LANDING GEAR MANUAL EXTENSION IAW CHECKLIST. FLIGHT CREW DECLARED AN EMERGENCY AND REQUESTED CRASH/FIRE/RESCUE EQUIPMENT. REQUESTED AND RECEIVED CLEARANCE FOR FLY-BY. TOWER ADVISED THAT RIGHT MAIN LANDING GEAR APPEARED TO BE DOWN AND IN PLACE. AN UNEVENTFUL LANDING FOLLOWED. MAINTENANCE FOUND RIGHT MAIN GEAR DOWN GREEN LIGHT BULB BAD. INSTALLED NEW BULB. JACKED AIRCRAFT AND PERFORMED MLG RETRACTION. OPS CHECKED GOOD.

Part: UNKNOWN — WARNING LIGHT (PROPELLER) · airframe 11,771 hrs · 6,248 cycles

DURING FLARE FOR LANDING, THE AIRCRAFT ABRUPTLY AND WITHOUT WARNING YAWED HARD RIGHT. TOUCHDOWN OCCURRED DURING THE GO-AROUND. THE PILOT NOT FLYING REPORTED THAT THE RIGHT PROP PITCH LIGHT ILLUMINATED IMMEDIATELY PRIOR TO THE EXCURSION. AFTER THE GO-AROUND, THE PROPELLERS WERE RESET TO 1500 RPM AND A POWER-ON APPROACH TO LANDING WAS ACCOMPLISHED. DURING THAT TOUCHDOWN, THE RIGHT PROP PITCH LIGHT ILLUMINATED AGAIN.

Part: PROPELLER — OUT OF ADJUST · airframe 11,708 hrs · 6,218 cycles

RT PROP PITCH LIGHT ILLUMINATED IN FLIGHT. AIRCRAFT YAWED RIGHT. POWER INCREASED TO MAINTAIN CONTROL. WHEN RETURNED TO IDLE FOR LANDING IT WAS OK. TROUBLESHOT AND NO FAULT FOUND. DURING FLARE FOR LANDING, RT PROP APPEARED TO GO INTO GROUND RANGE, NO PROP PITCH LIGHT NOTED. AFTER LANDING, CONDUCTED GND IDLE LOW PITCH CHECK PER CFM, NO ANOMALY NOTED. ADJUSTED BETA RODS AND SET FLIGHT IDLE TORQUE. ALL CHECKS NORMAL.

Part: SWITCH — STICKING (MLG)

LANDING GEAR FAILED TO EXTEND WHEN 'GEAR DOWN' SELECTED.. RESULTED IN EMERGENCY EXTENSION OF LANDING GEAR. THE MICRO-SWITCH IN THE LANDING GEAR CONTROL SWITCH ASSEMBLY WAS FOUND TO BE STICKING. THE LANDING GEAR CONTROL SWITCH WAS REPLACED AND SYSTEM OPERATED NORMALLY. (M)

Part: BULB — FAILED (RT MLG)

PRECAUTIONARY LANDING WAS MADE AFTER NOSE AND RT MLG LIGHTS FAILED TO LIGHT DURING MANUAL EXTENSION. LIGHT BULBS IN GEAR LIGHTS WERE FOUND BURNED OUT. LIGHT BULBS WERE REPLACED AND GEAR WAS OPERATIONALLY CHECKED THROUGH 6 CYCLES, CHECKED OKAY. COMPONENT PN 3086070843004. (X)