N156TR

Part: TRANSMITTER — LEAKING (HYDRAULIC SYS)

GREEN HYDRAULIC QUANTITY LOW INDICATION ILLUMINATED ON TAKEOFF. MAINTENANCE FOUND TRANSMITTER FOR PRESSURE INDICATION LEAKING. REMOVED AND REPLACED PRESSURE TRANSMITTER. (M)

Part: PERISEAL — LEAKING (PNEUMATIC SYS) · airframe 17,222 hrs · 19,569 cycles

RIGHT ZONE HIGH TEMP. MAINTENANCE REMOVED AND REPLACED PERI SEAL AT PNEUMATIC COUPLING FWD OF PRECOOLER.

Part: ENGINE — FAILED (NR 3) · airframe 16,867 hrs · 19,190 cycles

DURING TAKEOFF FLIGHT CREW HEARD LOUD POP, NR 3 ENGINE FAILED AT APPROX 70 KTS. ABORTED TAKEOFF C/W CHECKLIST AND RETURNED TO GATE, NORMAL BREAKING APPLIED. MAINTENANCE REMOVED AND REPLACED NR 3 ENGINE.

Part: ACTUATOR — FAILED (NR 4 ENGINE) · airframe 16,633 hrs · 18,911 cycles

NR 4 ENGINE AUTO SHUTDOWN GROUND PERSONNEL NOTICED FLAMES COMING OUT OF TAIL PIPE PILOT FIRED BOTH FIRE BOTTLES. MAINTENANCE REMOVED AND REPLACED BLEED BAND ACTUATOR.

Part: O-RING — FAILED (YELLOW HYD SYS)

LEX/ORD - FLT 5605 - PARKED AT THE GATE IN ORD, FLIGHT ATTENDANT REPORTED CABIN FILLED WITH SMOKE, CFR AT ORD NOTIFIED. REPLACED O-RING ON YELLOW SYSTEM HYDRAULIC PRESSURE FILTER HOUSING. NOTE: CABIN FILLED WITH HYDRAULIC MIST, NOT SMOKE AS REPORTED BY FLIGHT ATTENDANT. (X)

Part: ANGLE — BROKEN (FUSELAGE)

CAMLOCK RECEPTICAL AT FORWARD ATTACH SUPPORT STRUCTURE UNDER PANEL 286FT BROKEN OFF (BASE METAL BROKEN). REMOVED AND REPLACED ANGLE BRACKET, DRILLED AND LOCATED HOLES. INSTALLED BRACKET AND NUT PLATES AND CAMLOC RECEPTACLES. OPS CHECK GOOD.

Part: BOLT — WRONG PART (FR 29 LT)

LEFT FRAME 29 WING TO FUSELAGE LUG ATTACH BOLT DIFFERENT TYPE FASTENER INSTALLED AND DOES NOT HAVE ANY MARKINGS ON HEAD OF BOLT. REPORTED DETAILS TO BAE RDO, THE OVERSIZE BOLT FOUND AT FR 29 LEFT HYLT STRINGER NR 12 POSITION WAS INSTALLED AT BUILD. (M)

Part: SEAL CAGE — CRACKED (CARGO DOOR)

ATW - FRONT CARAGO BAY DOOR; LOWER FORWARD SEAL CAGE DENTED AND CRACKED LOWER AFT SEAL CAGE CRACKED. REPLACED BOTH LOWER SEAL CAGES.

Part: SKIN — CRACKED (RT WING)

QTW - RT WING OUTER TIP FAIRING PLATE ASSY IS CRACKED. NOTE - LOOKS REPAIRABLE. LOCATED AT RIB 20. INSTALLED PATCH ON CRACKED AREA IAW BAE SRM, PAINTED AND FOUND SERVICEABLE.

Part: TIP — CRACKED (LT WING)

ATW - CLOSE OUT FAIRING AT RIB 20, LT WING TIP AREA CRACKED. PATCHED SAID CRACKED AREA IAW BAE SRM, PAINTED AND FOUND SERVICEABLE.

Part: SPRING — BROKEN (LAVATORY)

FORWARD LAVATORY TRASH BIN LID SPRINGS BROKEN. REPLACED SPRINGS AS NEEDED, OPS CHECKED GOOD.

Part: SKIN — CRACKED (RT WING)

ATW - RIGHT WING TOP SKIN FORWARD EDGE OVER THE FRONT SPAR INBOARD OF RIB 2 APPROXIMATELY 6 INCHES, HAS A CRACK THAT IS 1.75 INCHES LONG THAT RUNS FOR AND AFT BETWEEN 2 FASTENERS, CRACK WAS VERIFIED USING EDDY CURENT INSPECTION TECHNIQUE. REPAIRED IAW BAE REPAIR DRAWING HC573H9018 BAE FAX REF DJR/RJ0031-98, DJR/RJ0024-98, DJR/RJ0890-97, AND JM/RJ0901/97.

Part: BOLT — CORRODED (MLG)

ATW - MLG BAY LOWER LONGERON AFT INNER BOLT IS CORRODED AND PROTECTIVE COATING IS WORN OFF. REPLACED MLG BAY LOWER LONGERON AFT INNER BOLT AT THIS TIME WITH A NEW ONE. INSTALLATION C/W UPON COMPLETION OF SSI 53200141C.

Part: SKIN — CHAFED (COWL DOOR)

ATW - NR 3 ENGINE LT AFT COWL DOORS INNER SKIN CHAFED AT PAN AREA. REPLACED NR 3 ENGINE LT AFT COWL DOOR DISHING PANEL.

Part: SKIN — DAMAGED (FUSELAGE)

ATW - FORWARD CANOPY SKIN HAS A RIVET HEAD UNDER THE NR 5 FOR '656' AT C/L THAT HAS AN OLD LIGHTNING STRIKE PIT MEASURING APPROXIMATELY .030 INCH - .035 INCH DEEP WITHOUT PAINT BEING REMOVED. REPLACED RIVET PER AVRO FAX REF DJR/RJ0028-98.

Part: SKIN — CORRODED (RT WING)

ATW - RIGHT WING BOTTOM SKIN FUEL PANEL NR 611DB RECESS HAS SMALL SPORTS OF SURFACE CORROSION, SPOTS MARKED WITH BLACK MARKER. CLEANED CORROSION WITH MINOR BLENDING, RE-TREATED RECESS AS REQUIRED.

Part: COWL DOOR — DEFECTIVE (ENT LT FWD)

ALL FOUR ENGINES LEFT FORWARD COWL DOORS REQUIRE LOWER FORWARD DOOR FRAME TRIMMED. TRIMMED FRAME END OF ALL FOUR LEFT FORWARD COWL DOORS IAW FAX KW/1715-91.

Part: FRAME — DAMAGED (COWL DOOR)

NR 4 ENGINE RT FORWARD COWL DOOR, LOWER AREA OF AFT FRAME CHAFED. REPAIRED LOWER AFT FRAME CHAFE IAW SRM 54-10-11, NR 4 RT FORWARD COWL DOOR.

Part: LIGHT — CHAFED (AFT FUSELAGE)

ATW - TAIL NAVIGATION LAMP CASTING CHAFED ON LT SIDE AND SHOWS LARGE GAP TO AIRBRAKE ON RT SIDE. BLENDED OUT CHAFED TO A SMOOTH DEPRESSION, PERFORMED LIQUID PENETRANT INSPECTION. REF: WC 3046, NO CRACKS NOTED, RE-PROTECTED AREA WITH ALOCROM, PRIMER AND PAINT PER FAX GB/RJ022-94. ADJUSTED TRIPOD ASSY TO CENTER OF AIRBRAKE.

Part: SKIN — DAMAGED (COWL DOOR)

ATW - NR 3 ENGINE LT FORWARD COWL DOOR. INNER SKIN FORWARD SECTION CHAFED. REPAIRED NR 3 ENGINE LT FORWARD COWL DOOR INNER SKIN FORWARD SECTION IAW SRM 51-71-11.

Part: STIFFENER — CRACKED (LT WING)

ATW - LT WING TE TOP SKIN STIFFENER CRACKED AT FORWARD BETWEEN RIBS 7 AND 8. REMOVED AND REPLACED WITH NEW PART AT TRAILING EDGE AT SKIN STIFFENERS BETWEEN RIBS 7 AND 8, LT WING.

Part: BRACKET — CRACKED (RT WING)

ATW - RT WING T/E LOWER HYDRAULIC LINE CLAMP BRACKET CRACKED AT RIB NR 5. LOCALLY MANUFACTURED PART PER DRAWING HC932H0211 AND REMOVED AND REPLACED HYDRUALIC CLAMP BRACKET AT RT RIB 5.

Part: SKIN — DAMAGED (COWL DOOR)

NR 4 ENGINE LFT FORWARD COWL DOOR, AFT INNER SKIN CHAFED. REPAIRED NR 4 ENGINE LT FORWARD COWL DOOR INNER SKIN IAW SRM 51-71-11.

Part: FRAME — DAMAGED (COWL DOOR)

ATW - NR 1 ENGINE RT FORWARD COWL DOOR. LOWER AFT FRAME CHAFED. REPAIRED NR 1 ENGINE RT FORWARD COWL DOOR AFT LOWER FRAME IAW SRM 54-10-11.

Part: BRACKET — BROKEN (CABIN)

ATW - IN CABIN AT RT SIDE BETWEEN FRAMES 39 AND 40 JUST BELOW SERVICE DOOR, UPPER LONGERON, IS A BRACKET THAT IS BROKEN WHICH SECURES THE OUTER PSU SUPPORT RAILS AFT END. REMOVED AND REPLACED CRACKED BRACKET WITH NEW BRACKET AFT RT PSU SUPPORT RAIL JUST FORWARD OF RT SERVICE DOOR. (X)

Part: SUPPORT — DAMAGED (BS 26)

ATW - FLOOR SUPPORT SIDE RAILS ON BOTH LT AND RT SIDES OF CABIN AT FRAME 26 HAVE SHEARED RIVETS. REMOVED AND REPLACED RIVETS ON LT AND RT FLOOR SUPPORT SIDE RAILS AFT FRAME 26.

Part: HINGE — CORRODED (LAVATORY DOOR)

ATW - FORWARD LAVATORY DOOR HINGE POST CORRODED ON BOTTOM END. REMOVED CORROSION, TREATED, PRIMED AND PAINTED.

Part: FRAME — CRACKED (NR 4 PYLON)

ATW - NR 4 PYLON BOX STRUCTURE AT RIB NR 4 BOTTOM OTBD FLANGE HAS CRACK APPROXIMATELY .3750 INCH LONG. NR 4 PYLON CRACKING RIB 4 LOWER FLANGE .3750 INCH LONG IS ACCEPTABLE AND MAY CONTINUE IN SERVICE. 1,000 CYCLE REPEAT INSPECTION. DETAILS REPORTED TO BAE RDO. REF: RIL HC546H9018. GENERATED W/C FOR REINSPECT.

Part: RIB — CRACKED (NR 3 PYLON)

ATW - NR 3 PYLON BOX STRUCTURE AT RIB 4 OTBD BOTTOM FLANGE HAS A CRACK DEVELOPING THAT IS APPROXIMATELY .3750 INCH LONG. NR 3 PYLON CRACKING RIB 4 LOWER FLANGE .3750 INCH LONG IS ACCEPTABLE AND MAY CONTINUE IN SERVICE. 1,000 CYCLE REPEAT INSPECTION. DETAILS REPORTED TO BAE RDO - REF RIL HC546H9018, GENERATED W/C FOR REINSPECT.

Part: YOKE — CHAFED (NR 4 PYLON)

NR 4 PYLON MOUNT YOKE HAS THE PYLON DRAIN LINE CHAFING ON ITS RIGHT SIDE TOP SURFACE. REMOVED NR 4 PYLON ENGINE FRONT MOUNT YOKE. INSPECTED AND FOUND CHAFEAGE TO BE WITHIN 146 SRM 54-50-41 LIMITS. BLENDED AREA AND REINSTALLED MOUNT YOKE IAW MM 71-10-11. (M)

Part: FLOORBEAM — CRACKED (BS 29)

ATW - MLG BAY PRESSURE DIAPHRAM ROOF HAS A FLOORBEAM, (NR 19), AT FR 29 RT SIDE UNDER OUTBOARD SEAT RAIL IN CABIN THAT HAS A SMALL CRACK DEVELOPING AROUND A FASTENER HEAD. REPAIRED RT BEAM NR 19 AT FR 29 IAW BAE DRAWING HC536H92 11 AND BAE FAX DJR/RJ0207-97.

Part: THRESHOLD — CORRODED (PASSENGER DOOR)

ATW - AFT PASSENGER DOOR SILL PLATE AND THRESHOLD HAS ONLY A COUPLE SPOTS OF LIGHT SURFACE CORROSION. NOTE: MARKED WITH BLACK MARKER. REMOVED CORROSION ON AFT PASSENGER DOOR SILL PLATE AND THRESHOLD. TREATED AREA, PRIMED AND PAINTED.

Part: BOLT — CORRODED (SPOILER)

ATW - LEFT WING OUTER LIFT SPOILER AFT JACK BOLT CORRODED AND PLATING COMING OFF. REMOVED AND REPLACED BOLT.

Part: STEP — CORRODED (AIRSTAIR)

ATW - FORWARD AIRSTAIRS THIRD STEP FROM TOP CORRODED. REPLACED STEP.

Part: SILL — CORRODED (PASSENGER DOOR)

ATW - AFT SERVICE DOOR SILL PLATE HAS SEVERAL SPOTS OF LIGHT SURFACE CORROSION. NOTE: MARKED IN BLACK MARKER. REMOVED SURFACE CORROSION, TREATED, PRIMED AND PAINTED SERVICE DOOR SILL PLATE.

Part: BOLTS — LOOSE (WING TANK)

ATW - DURING GV INSPECTION OF WING, CENTER TANK EVIDENCE OF LOOSE JO BOLTS. NO CORROSION FOUND. REPORTED DETAILS OF FASTENERS TO RDO. C/W GEN VISUAL INSPECTION OF WING TANK JO BOLTS. C/W BOLT TORQUE CHECK TO FASTENERS, EXCEPT THOSE INSIDE THE VERTICAL BOX AREA. REPORTED ALL DETAILS TO BAE RDO FOR ASSESSMENT. REF: DJR/RJ0001-98. REPORTED LOOSE JO BOLTS ACCEPTABLE. 4000 FLT REINSP REQUIRED.

Part: TERMINAL BOARD — CORRODED (NR 1 PYLON)

ATW - NR 1 PYLON TERMINAL BOARD J ON AFT PYLON BULKHEAD CORRODED. CLEANED TERMINAL BOARD ON NR 1 PYLON.

Part: BRACKET — CRACKED (NR 3 NACELLE)

ATW - NR 3 ENGINE SHOULDER COWL - TERMINAL BOARD SUPPORT BRACKET FORWARD, CRACKED. REPLACED NR 3 ENGINE FORWARD TERMINAL BOARD SUPPORT BRACKET ON SHOULDER COWL.

Part: MOUNT — DAMAGED (NR 3 PYLON)

ATW - NR 3 PYLON SHOULDER COWL LORD MOUNT BRACKET CENTER RIVET HEAD SHEARED OFF. REPLACED NR 3 PYLON LORD MOUNT BRACKET CENTER FASTENER IAW BAE FAX PJN/1196R-92.

Part: FLOORBEAM — CORRODED (BS 41-44)

ATW - FLOORBEAMS AND SUPPORT STRUCTURE FRAMES 41-44 HAS SEVERAL SPOTS OF LIGHT SURFACE CORROSION ON TOP OF GUSSET PLATES AND INTERCOSTALS. ALL SPOTS ARE MARKED WITH BLACK MARKER. CLEANED AND REMOVED SURFACE CORROSION. TREATED, PRIMED AND PAINTED AFT VEST FLOORBEAMS SUPPORT STRUCTURE FRAMES 41-44 GUSSET PLATES AND INTERCOSTALS.

Part: RIVET — MISSING (FRAME 14)

ATW - FORWARD VESTIBULE RT SIDE AT FR 14 AND INTERCOSTAL. THREE MISSING RIVETS FROM PRODUCTION WITH CLECO STILL INSTALLED. INSTALLED 3 RIVETS.

Part: MOUNT — DAMAGED (NR 1 PYLON)

ATW - NR 1 PYLON LORD MOUNT ATTACH BRACKET CENTER RIVET SHEARED. INSTALLED BOLT AT CENTER LORD MOUNT RACKET POSITION. REF: FAX PJN/1196R-92. REPLACED BOTH LORD MOUNT RUBBER BUSHINGS.

Part: MOUNT — CORRODED (NR 1 ENGINE)

NR 1 MOTOR YOKE ASSEMBLY HAS SLIGHT SURFACE CORROSION AT CENTER AREA OF YOKE. CLEANED AREA AND REMOVED SURFACE CORROSION FROM NR 1 ENGINE MOUNT YOKE IAW A46 SRM 51-20-11. COATED AREA. REF: 51-20-11.

Part: MOUNT — CORRODED (NR 2 PYLON)

ATW - NR 2 PYLON YOKE HAS SLIGHT SURFACE CORROSION IN CENTER OF YOKE. REMOVED CORROSION FROM SURFACE OF NR 2 PYLON YOKE CENTER AND COATED SURFACE WITH CARBOLINE.

Part: CONTROL CABLE — CORRODED (LT WING)

AILERON INTERCONNECT CABLES ARE CORRODED AT LR WING ROOT PULLEYS. REMOVED AND REPLACED BOTH CENTER SECTIONS OF THE AILERON INTERCONNECT CABLE CIRCUIT AND ADJUSTED IAW MM 27-11-00. W/C 5023 GENERATED FOR FUNCTIONAL CHECK.

Part: FLANGE — CRACKED (BS 14-15)

ATW - FORWARD VESTIBULE RT SIDE SERVICE DOOR LOWER HINGE PIN DIAPHRAGM IS CRACKED AT UPPER FLANGE BETWEEN FR 14 AND FR 15. REPAIRED FLANGE IAW SRM 51-71-11.

Part: RIB — CRACKED (NR 2 PYLON)

ATW - NR 2 PYLON RIB 4 LOWER FLANGE HAS .125 INCH LONG CRACK ON INBOARD SIDE OF CUT-OUT. CRACK MAY CONTINUE IN SERVICE WITH REPETITIVE INSPECTIONS IAW RIL HC546H9018. REPORTED DETAILS TO BAE RDO. GEN W/C FOR REINSPECT.

Part: CONTROL CABLE — CORRODED (RT AILERON)

ATW - RIGHT CLAD COVERED AILERON INTERCONNECT CABLE IS CORRODED AT OUTBOARD PULLEY. REMOVED AND REPLACED RIGHT OUTBOARD AILERON INTERCONNECT CABLE AND ADJUSTED IAW MM 27-11-00. W/C 5023 GENERATED FOR FUNCTIONAL CHECK.

Part: CABLE — CORRODED (LT AILERON)

ATW - LEFT WING CLAD AILERON INTERCONNECT CABLE IS CORRODED AND NEEDS CHANGING. REMOVED AND REPLACED LT OUTBOARD AILERON INTERCONNECT CABLE AND ADJUSTED IAW MM 27-11-00. W/C 5023 GENERATED FOR FUNCTIONAL CHECK.

Part: INTERCOSTAL — DAMAGED (CABIN)

ATW - FORWARD VEST FLOOR SUPPORT INTERCOSTAL BETWEEN FLOOR BEAMS AT FR 15 AND FR 18, AND AT A/C CENTERLINE HAS AN INSTRUMENT AIRLINE CHAFING ON A COPPER BONDING STRAP WHICH, IN TURN, IS CHAFING ON THE BOTTOM FLANGE OF INTERCOSTAL. REPOSITIONED LINE AND BONDING STRAP FOR CLEARANCE. CHAFE MINOR. NO DAMAGE TO PIPE.

Part: COWL — CRACKED (NR 1 ENGINE)

ATW - NR 1 ENGINE NOSE COWL HAS CRACK AT THE FIRE EXTINGUISHER DISCHARGE PIPE FIREWALL AREA, AND FIRE EXTINGUISHER CANNON PLUG RT SIDE OF THE COWL. TRANSFERRED TO W/O BW8889. SEE ADDITIONAL W/C FOR REMOVAL.

Part: BOLT — BROKEN (BS 29)

ATW - RT FR 29 WING TO FUSELAGE LUG ATTACH BOLT BROKE AT STR NR 12. REMOVED AND REPLACED BOLT IAW BAE FAX DJR/RJ022-96 AND 146 MM.

Part: VALVE — LEAKING (COCKPIT)

ATW - OXYGEN BOX 13 RT LEAKING OUT OF MASK WITH VALVE SHUT OFF (CLIP IN). REMOVED AND REPLACED 13RT VALVE ASSY. OPS CHECKS, LEAK CHECKS, AND FLOW CHECKS OK.

Part: ENGINE — DAMAGED (NR 1)

ATW - FLT 608 - NR 1 ENGINE PRODUCING ONLY 60 PERCENT N1. TAKE OFF ABORTED. INTERNAL ENGINE DAMAGE NOTED.

Part: ENGINE — MALFUNCTIONED (NR 1)

FLT 608 - ON TAKEOFF ROLL, NR 1 ENGINE ACCELERATED ONLY TO 60 PERCENT N1. ABORTED TAKEOFF AND NR 1 N2 WENT TO ZERO, TGT TO 800. ENGINE WAS SHUT DOWN AT THAT TIME. REMOVED AND REPLACED NR 1 ENGINE IAW AVRO AMM. REFER TO AWAC ENGINE CHECK LIST FOR DETAILS. S/N OFF LF-05577A, S/N ON LF-05577.

Part: ENGINE — FAILED (NR 4)

NR 4 ENGINE FAILED ON INITIAL TAKEOFF ROLL. (M)

Part: ENGINE — FAILED (NR 4)

NR 4 ENGINE FAILED ON INITIAL T/O ROLL. NFF ON INITIAL RUN, NFF ON TEARDOWN. NO HISTORY ON ENGINE SINCE FAILURE. CLOSED, NO CONCLUSION.

Part: ENGINE — FAILED (NR 3)

ICT - FLT 571 - NR 3 ENGINE VIBRATION INDICATED 3.0. ENGINE SHUT DOWN. TAKEOFF ABORTED AT 60 KNOTS. AIRCRAFT REMOVED FROM SERVICE FOR A 3 ENGINE FERRY TO ATW FOR REPAIRS.

Part: ACTUATOR — FAILED (LT SPOILER)

ATW - FLT 557 - AIR FRAME VIBRATION NOTICED WHEN GOING THROUGH 240 KNOTS, AND IT INCREASED WITH INCREASING AIR SPEED. MAINTENANCE FOUND LEFT INBOARD LIFT SPOILER TRAILING EDGE UP APPROXIMATELY .75 INCH. REPLACED LIFT SPOILER ACTUATOR.

Part: SLIDE — LIGHT FAILED (CABIN)

NR 1 EVAC SLIDE LIGHTS BURNED OUT, SLIDE P/N D31050-103 S/N 0832. REMOVED AND REPLACED SLIDE ASSEMBLY. (M)

Part: CHIP DETECTOR — MISINSTALLED (NR 4 ENGINE)

NR 4 ENGINE SHUT DOWN IN FLIGHT DUE TO LOW OIL PRESSURE LIGHT ILLUMINATION AND INDICATION. INSPECTION OF THE ENGINE UPON ARRIVAL, REVEALED FULL FLOW CHIP DETECTOR HAD LOOSENED AND FALLEN OUT OF ITS HOUSING. INVESTIGATION HAS SHOWN MAINTENANCE HAD REPLACED THE MAIN OIL FILTER AND CHECKED THE FULL FLOW DETECTOR. IMPROPER INSTALLATION OF THE DETECTOR IS UNDER REVIEW. (M)

Part: PROXIMITY SWITCH — WORN (NLG)

LAS - MANUAL SPOILER FAULT LIGHT ILLUMINATED AFTER TAKEOFF. THE AIRCRAFT RETURNED TO THE LAS STATION. TNE NLG ELECTRONIC POSITION SENSOR WAS FOUND TO BE OUT OF ADJUSTMENT DUE TO NORMAL WEAR. THE SWITCH WAS ADJUSTED IAW THE AIRCRAFT MM. A TEST FLIGHT WAS CONDUCTED TO ENSURE NO FURTHER DIFFICULTIES WITH THE MANUAL SPOILER FAULT INDICATOR, THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PROX SWITCH — OUT OF ADJUST (NLG)

AIRCRAFT'S 'MANUAL SPOILER FAULT' LIGHT ILLUMINATED AFTER TAKEOFF FROM LAS. THE AIRCRAFT RETURNED TO THE LAS STATION. AIRCRAFT N138TR WAS USED TO AVOID A CANCELLATION OF FLT 203/204. A LATER CANCELLATION OF FLT 104/303 WAS CAUSED DUE TO THE DELAY IN REPAIR OF THIS PROBLEM. THE NLG ELECTRONIC POSITION SENSOR WAS FOUND TO BE OUT OF ADJUSTMENT DUE TO NORMAL WEAR. THE SWITCH WAS ADJUSTED IAW THE AIRCRAFT MM. A TEST FLIGHT WAS CONDUCTED TO ENSURE NO FURTHER DIFFICULTIES WITH THE MANUAL SPOILER FAULT INDICATOR, THEN THE AIRCRAFT WAS RETURNED TO SERVICE.