N796CP

Part: CONTROL PANEL — INOPERATIVE (ZONE 200) · airframe 31,984 hrs · 32,410 cycles

WHEN LANDING GEAR SELECTED DOWN IN FLIGHT THERE WAS NO MOVEMENT OF THE LANDING GEAR AND THE LANDING GEAR INOP CAUTION LIGHT ILLUMINATED AFTER SEVERAL SECONDS. ALTERNATE EXTENSION COMPLETED SUCCESSFULLY. WHEN ALTERNATE EXTENSION WAS COMPLETED THE NORMAL LANDING GEAR UNSAFE AND GEAR DOWN INDICATIONS DID NOT ILLUMINATE. THE ALTERNATE GEAR DOWN INDICATIONS FUNCTIONED PROPERLY. THE LANDING WAS COMPLETED WITH NO FURTHER ISSUES. LANDING GEAR CONTROL PANEL WAS REPLACED, GEAR SWINGS COMPLETED, AND NO FURTHER ISSUES.

Part: THRESHOLD — CORRODED (ZONE 100) · corrosion level 2 · airframe 30,728 hrs · 31,719 cycles

FORWARD ENTRYWAY DOOR FRAME LOWER THRESHOLD MEMBER WAS CORRODED BEYOND REPAIR LIMITS AND REQUIRED REPLACEMENT.

Part: SHIM — OUT OF POSITION (DITCHING DAM) · airframe 30,174 hrs · 31,419 cycles

FLIGHT ATTENDANT REPORTED DITCHING DAM WILL NOT COME DOWN (DURING RECURRENT TRAINING IN THE HANGAR). ADJUSTED SHIMS ON FORWARD LH OVERHEAD BIN ENDCAP, OPS CHECKS GOOD.

Part: SKIN — CORRODED (ZONE 600) · corrosion level 2 · airframe 29,759 hrs · 31,193 cycles

CORROSION DAMAGE TO CENTER WING SKIN P/N 85713601, ACCESS PANEL LANDINGS BETWEEN YW42.000 - YW-42.000. DAMAGE IS BEYOND OEM PUBLISHED LIMITS.

Part: ACCESS PANEL — CORRODED (ZONE 500) · airframe 29,759 hrs · 31,193 cycles

CORROSION DAMAGE IN THE COUNTERSINKS OF THE CENTRE WING ACCESS PANELS 623AT (P/N 85713043- 953, RHS), 622AT (P/N 85713035-953, RHS), 522AT (P/N 85713035- 953, LHS), 622CT (P/N 85713039-953, RHS), AND 522BT (P/N 85713037-953, LHS) BEYOND THE LIMITS OF SRM TASK 57-10-35-02-03

Part: PANEL — CHAFED (ZONE 100) · airframe 29,759 hrs · 31,193 cycles

CHAFE DAMAGE TO THE UPPER PANEL PN: 85217068 OF THE AIRSTAIR DOOR ASSEMBLY PN: 85217005-001. DAMAGE REQUIRES BLENDING AS PER DE HAVILLAND REPAIR DRAWING 8/4-52-227.

Part: SKIN — CORRODED (ZONE 500) · corrosion level 2 · airframe 29,759 hrs · 31,193 cycles

CORROSION DAMAGE TO CENTER WING SKIN AT FUEL TANK ACCESS PANEL'S PART NUMBER 521BT(LH WING), 521AT (LH WING) AND 621BT (RH WING). CORROSION EXCEEDS THE LIMITS ALLOWED IN GENERIC RD 8/4-57-441.

Part: DOOR — CORRODED (ZONE 100) · corrosion level 2 · airframe 29,759 hrs · 31,193 cycles

FRAME SECTION ON THE LOWER FORWARD EMERGENCY TYPE 2 EXIT DOOR (RH SIDE OF AIRCRAFT), ITEM 9 ON IPC 52-20-20. PITTING CORROSION BETWEEN A LIGHTNING HOLE AND THE BEND RADIUS. NOMINAL THICKNESS WAS .050" BY DESIGN, UT READINGS MEASURED OUT AT .052. APPROXIMATE MAX DEPTH OF .004", MAX WIDTH OF .50", MAX LENGTH OF 3.00".

Part: SKIN — CORRODED (PAX DOOR) · corrosion level 2 · airframe 29,759 hrs · 31,193 cycles

TWO CORROSION/GOUGE MARKS ON THE PASSENGER DOOR SHELL IN THE #5 POSITION. THE DRAWING WAS SAYING THE SKIN WAS .032 BUT WE WERE CONSISTENTLY GETTING .045 WITH NDT DOING UT. THE MAXIMUM DEPTH MEASURED WAS .029", WITH MOST OF THE DAMAGE AT .028" AND .027".

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 29,759 hrs · 31,193 cycles

CORROSION ON SHEAR WEB DOUBLER X728.102 TO X783.102 REF. DRAWING 85339601 ITEM #4. FOLLOWING DE HAVILLAND REPAIR DRAWING #8/4-53-11298, REMOVED CORROSION, COMPLETED NDT, AND RE-PROTECTED THE AREA. ORIGINAL PART REMAINS IN SERVICE.

Part: GUSSET — CORRODED (ZONE 100) · airframe 29,759 hrs · 31,193 cycles

CORROSION ON FRAME GUSSET AT STATION X32.400 STRINGER 28P. CORRODED GUSSET REPLACED WITH NEW PART NUMBER 85329356-109

Part: SKIN — NONE (ZONE 600) · airframe 30,535 hrs · 31,796 cycles

INTERNAL SURFACE OF CENTER WING LOWER SKIN PANEL ASSEMBLY PN: 85713700 RH WING BETWEEN YW42.000 - YW60.900 AND STR. 13 - 14 HAS GOUGE OF 0.008" DEPTH AND 0.250" LONG THAT IS OUTSIDE OF MANUFACTURES PUBLISHED LIMITS.

Part: DOOR — BINDING (ZONE 800) · airframe 28,770 hrs · 30,644 cycles

RIGHT AFT SERVICE DOOR DIFFICULT TO OPEN. CORRECTIVE ACTION: LUBRICATED CAM ASSEMBLY ON AFT SERVICE DOOR. PERFORMED OPERATIONAL TEST AND OPS CHECKS GOOD. NO DEFECTIVE PARTS FOUND, LUBRICATION CORRECTED DISCREPANCY.

Part: SEQUENCE VALVE — DEFECTIVE (MLG DOORS) · airframe 27,663 hrs · 30,018 cycles

AFTER TAKEOFF WHEN LANDING GEAR WAS SELECTED UP THE GEAR RETRACTED NORMALLY EXCEPT THE LEFT MAIN GEAR DOORS DID NOT CLOSE. THIS WAS SHOWN BY THE COCKPIT INDICATION AND VISUALLY CONFIRMED BY LOOKING OUT THE WINDOW. AS PER THE QUICK REFERENCE HANDBOOK THE FLIGHT CONTINUED AT REDUCED AIRSPEED AND THE LANDING GEAR WAS EXTENDED BY THE ALTERNATE EXTENSION SYSTEM PRIOR TO LANDING. DUE TO THE ALTERNATE EXTENSION PROCEDURES AND LACK OF NOSEWHEEL STEERING FUNCTION THE FLIGHT CREW TAXIED CLEAR OF THE RUNWAY THEN SHUT DOWN ENGINES AND WAS TOWED TO THE GATE. UPON FURTHER INSPECTION IT WAS FOUND THE LEFT MAIN LANDING GEAR SOLENOID SEQUENCE VALVE HAD FAILED INTERNALLY AND CAUSED THE LEFT DOORS TO NOT CLOSE UPON GEAR RETRACTION.

Part: SKIN — SCRATCHED (BS 493-640) · airframe 27,095 hrs · 29,652 cycles

SKIN DAMAGE AT STA X493 - X640 STR. 23 – 25. TOOLING DAMAGE FOUND ON SKIN AROUND RH FUSELAGE STRAKE. DAMAGE IS BEYOND ALLOWABLE LIMITS IAW DGC-8-400 SRM 53-00-00-02-02MREV. 20. REPAIR DRAWING (RD) REQUESTED FROM DHC. RD 8/4-53-9854 ISSUE #1 PROVIDED BY DHC AND WORK COMPLIED WITH ON DAMAGED AREA.

Part: SCREW — CRACKED (COCKPIT WINDOW) · airframe 27,095 hrs · 29,652 cycles

PILOTS SIDE WINDOW HAS SEIZED FASTENERS. HEAD BROKE OFF DURING REMOVAL AND ANOTHER SCREW FOUND WITH CRACKED HEAD AT BASE OF SHANK. REPLACED ALL SCREWS PN: NAS7403-6 AS REQUIRED. REFERENCE KF AERO WO. 1000221324.

Part: FITTING — WORN (RT AILERON) · airframe 27,095 hrs · 29,652 cycles

RH AILERON INPUT ROD ATTACHMENT BRACKET P/N: 85740411, BUSHING HOLD IS TOO LARGE. COMPLIED WITH DE HAVILLAND PERMANENT REPAIR DRAWING RD 8/4-57-4773 BY INSTALLING A REPAIR BUSHING. REFERENCE KF AERO WO. #1000224059