N92S

Part: CAP — MISSING (SUMP CONTAINER)

DURING CLIMBOUT, RUDDER TRAVEL UNRESTRICTED ANNUNCIATOR LIGHT DID NOT EXTINGUISH AT MAXIMUM AIRSPEED OF 280 KNOTS. FLIGHT CREW RETURNED TO ORIGINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REINSTALLED MISSING DRAIN CAP ON SUMP CONTAIN ER AND TESTED SYSTEM PER MAINTENANCE MANUAL REFERENCE 27-20-6, OPERATIONAL CHECK OK.

Part: SKIN — CORRODED (BS 897)

DURING L-CHECK, FOUND CORROSION ON INTERIOR SKIN LAP BELOW LONGERON 24R AT FS 897. REPAIRED PER EA 91-151729.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, LEFT AND RIGHT EMERGENCY EVACUATION SLIDE LIGHTS AND LEFT AND RIGHT NACELLE LIGHTS INOPERATIVE. REPLACED LEFT AND RIGHT BATTERY PACKS. OPERATIONAL CHECK GOOD.

Part: SKIN — CRACKED (BS 69)

DURING L CHECK, FOUND CRACK IN SKIN AT FS 69 LEFT OF UPPER AIRCRAFT CENTER LINE, PSE 53-09-029. REPAIRED PER SRM 51-30-2 AND 51-30-8.

Part: BULKHEAD — CRACKED (BS 110)

DURING L CHECK, FOUND CRACKS IN THE NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE PANEL AT THE RIGHT OUTBOARD AND INBOARD FITTINGS FS 110. REPAIRED PER EA 91-151699.

Part: BULKHEAD — CRACKED (BS 110)

DURING L CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE PANEL LIGHT OUTBOARD FITTING FS 110. REPAIRED PER EA 91-151699.

Part: CLIPS — OUT OF ADJUST (TAIL CONE)

DURING LINE CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO REMOVE EXTERIOR TAIL CONE RELEASE HANDLE FROM CLIPS. CLEANED CABLE BALL END, FITTING AND ADJUSTED CLIPS, OPERATIONAL CHECK OK.

Part: STRUT — REQD SERVICE (NLG)

ON TAKEOFF, COULD NOT RETRACT MAIN LANDING GEAR. FOLLOWED COCKPIT OPERATING MANUAL (COM), TAKEOFF WARNING HORN CAME ON, NO AUTO PRESSURIZATION. PULLED GROUND SHIFT CIRCUIT BREAKER'S GEAR CHECKS NORMAL. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE SERVICED NOSE STRUT, LUBED NOSE GEAR AND GROUND SHIFT MECHANISM, OPERATION CHECKS GOOD.

Part: DOOR WARNING — ACTIVATED (CABIN)

DURING TAKEOFF, THE AFT CABIN DOOR LIGHT ILLUMINATED. AIRCRAFT ABORTED TAKEOFF. VISUALLY INSPECTED AND OPERATIONALLY CHECKED AFT CABIN DOOR. NO DEFECTS FOUND, OPERATIONAL CHECK GOOD.

Part: DOWNLOCK SW — MALFUNCTIONED (NLG)

ON APPROACH, NOSE GEAR UNSAFE LIGHT ILLUMINATED ON GEAR EXTENSION. RECYCLED GEAR AND ALL INDICATIONS WERE NORMAL. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE CYCLED GEAR SEVERAL TIMES BUT COULD NOT DUPLICATE PROBLEM. REPLACED DOWNLOCK SWITCH, GEAR OPERATIONAL CHECK NORMAL.

Part: SWITCH — FAILED (NLG)

DURING DESCENT INTO MSP, NOSE GEAR GREEN LIGHT DID NOT ILLUMINATE. RECYCLED GEAR AND GREEN LIGHT INDICATED NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED UP-LIMIT AND DOWN AND LOCKED SWITCHES, GEAR OPERATIONAL CHECKED GOOD.

Part: DOOR PAN — CRACKED (LT EMER EXIT)

DURING H-CHECK, FOUND A CRACK IN THE LEFT OVERWING EMERGENCY EXIT DOOR PAN AT THE NR 14 STOP. REPAIRED PAN (P/N 5913195-1) PER EA 99-98739.

Part: LONGERON — CRACKED (FS 897)

DURING H-CHECK, FOUND A .5 INCH CRACK IN LONGERON 2R AT FS 897. REPAIRED LONGERON (P/N 5911432-3) PER EA 91-102046.

Part: FITTINGS — CORRODED (FS 642)

DURING H-CHECK, FOUND CORROSION ON THE FS 642 T-CAP END FITTINGS IN BOTH THE LEFT AND RIGHT MAIN LANDING GEAR WHEEL WELL KEEL. REPLACED BOTH FITTINGS PER SRM 51-30-1 AND 51-30-5.

Part: FLOORBEAM — CRACKED (FS 237)

DURING H-CHECK, FOUND A TWO INCH CRACK IN THE FS 237 FLOORBEAM AT LBL 6. REPAIRED BEAM (P/N 9911544-5) PER EA 99-102644.

Part: CONTROL CABLE — BINDING (RT SPOILER)

EN ROUTE GSO-MSP, AIRCRAFT WAS CONTINUOUSLY ROLLING 3 TO 4 DEGREES LEFT AND RIGHT. FLIGHT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. FOUND RIGHT WING INBOARD SPOILER RETRACT CABLE DEFLECTED AND HUNG ON ADEL CLAMP. FREED CABLE AND RIGGED. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE.

Part: VERTICAL GYRO — FAILED (NR 2)

DURING CLIMB, THE FIRST OFFICER'S PITCH AND ROLL INDICATOR WAS INOPERATIVE. THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 2 VERTICAL GYRO. OPERATIONAL CHECK GOOD.

Part: RELEASE MECH — OUT OF ADJUST (TAILCONE)

DURING LINE CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO DROP THE TAILCONE. ADJUSTED AND LUBRICATED THE RELEASE MECHANISM, CHECKED OK.

Part: TRANSFER RELAY — MALFUNCTIONED (DC EMERGENCY PWR)

AFTER TAKEOFF, BOTH A AND B PHASE FUEL BOOST PUMP CIRCUIT BREAKERS POPPED, IN CONJUNCTION WITH LOSS OF SEVERAL AIRCRAFT COMPONENTS INCLUDING COMMUNICATIONS. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED DC CROSSTIE RELAY (R2-27) AND NR 1 AND NR 2 TRANSFORMER RECTIFIERS. ALSO, SWAPPED GENERATOR CONTROL PANELS, ALL WITH NO HELP. REPLACED DC EMERGENCY POWER TRANSFER RELAY (R2-19). SYSTEM CHECKED OK AND AIRCRAFT RETRUNED TO SERVICE.

Part: CIRCUIT BREAKER — FAILED (RT AC BUS)

DURING CLIMBOUT FROM DTW, AUTO-PILOT DROPPED OFF LINE, CAPTAIN'S RMI FLAGGED, FORWARD AND AFT FUEL BOOST PUMP CIRCUIT BREAKERS POPPED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. FOUND RIGHT AC BUS PHASE A CIRCUIT BREAKER BROKEN AND REPLACED THE CIRCUIT BREAKER. ALSO, RESET BOOST PUMP CIRCUIT BREAKERS. OPERATIONAL CHECK OK, AIRCRAFT RETURNED TO SERVICE.

Part: PT7 TUBE — BROKEN (RT ENGINE)

ON TAKEOFF, THE NR 2 EPR WAS .2 BELOW NR 1 WITH OTHER PARAMETERS MATCHED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. THE EPR TRANSMITTER WAS REPLACED. A BROKEN PT7 TUBE WAS FOUND BETWEEN THE 2 O'CLOCK AND 4 O'CLOCK PROBES. REPLACED THE PT7 TUBE. ENGINE RUN-UP CHECKED OK. AIRCRAFT RETURNED TO SERVICE.