# Service difficulty reports: N625US, cancelled Sep 27, 2007 A list on [N625US, cancelled Sep 27, 2007](https://openairdocs.org/deregistered/N625US-2007-09-27.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 0301786625](https://openairdocs.org/sdr/0301786625.md): Power Supply · inoperative · Sep 24, 2003 · N625US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND ZONE-E FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY. OPERATIONAL CHECK GOOD. - [SDR 0101696625](https://openairdocs.org/sdr/0101696625.md): Unknown · odor · May 5, 2001 · N625US · Boeing 747251B · Air Distribution System > DURING CRUISE, A SMOKE ODOR WAS NOTICED AROUND DOOR 5L. THE ODOR DISSIPATED AFTER A FEW MINUTES AND THE AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. CHECKED LIGHTS, CABIN ENTERTAINMENT SYSTEM, LAVATORIES, AND ELECTRONIC EQUIPMENT COMPARTMEN - [SDR 0101676625](https://openairdocs.org/sdr/0101676625.md): Wire · shorted · May 5, 2001 · N625US · Boeing 747251B · Buffet/Galleys > DURING FLIGHT, THE NR 2 HOT PLATE SPARKED AND EMITTED SMOKE RESULTING IN TRIPPING OF THE CIRCUIT BREAKER. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPAIRED CHAFED WIRE. OPERATIONAL CHECK GOOD. - [SDR 0100226625](https://openairdocs.org/sdr/0100226625.md): Controller · failed · Jan 18, 2001 · N625US · Boeing 747251B · Cabin Pressure Controller > DURING CLIMB AT 24,000 FEET, THE PRESSURIZATION AUTO FAIL LIGHT ILLUMINATED ACCOMPANIED WITH THE NR 2 PACK TRIPPING AND THE PRESSURE RELIEF LIGHT ILLUMINATING. PERFORMED AN EMERGENCY DESCENT TO 10,000 FEET AND CABIN WAS CONTROLLED MANUALLY AT 14,000 FEET. AI - [SDR 0004656625](https://openairdocs.org/sdr/0004656625.md): Service difficulty · Dec 28, 2000 · N625US · Boeing 747251B · Weather Radar System > DURING CRUISE, NOTICED FAINT BURNING SMELL. SHUYT DOWN WEATHER RADAR AND SMELL DISAPPEARED. MAINTENANCE FOUND ELECTRICAL CONNECTOR DIRTY. CLEANED CONNECTORS AND REPLACED THE RADAR INDICATORS PRECAUTIONARY. RADAR SYSTEM TESTED OK. - [SDR 0002966625](https://openairdocs.org/sdr/0002966625.md): Acm · failed · Aug 15, 2000 · N625US · Boeing 747251B · Cabin Cooling System > DURING APPROACH, A SMOKE SMELL WAS NOTICED. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 AIR CYCLE MACHINE. OPERATIONAL CHECK GOOD. - [SDR 0002976625](https://openairdocs.org/sdr/0002976625.md): Acm · failed · Aug 13, 2000 · N625US · Boeing 747251B · Cabin Cooling System > DURING APPROACH, AN ELECTRICAL SMOKE SMELL WAS NOTICED IN THE CABIN COMPARTMENT. FLIGHT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE NR 3 AIR CYCLE MACHINE. OPERATIONAL CHECK GOOD. - [SDR 0002156625](https://openairdocs.org/sdr/0002156625.md): Circuit Board · defective · Jun 11, 2000 · N625US · Boeing 747251B · Fire Detection > DURING FLIGHT, THE NR 4 ENGINE NACELLE TEMPERATURE INDICATED ''A'' FLUCTUATED INTO RED WITH ASSOCIATED FAULT LIGHT AND FIRE DETECTOR LIGHT ILLUMINATING ON ANNUNCIATOR PANEL. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 ENG - [SDR 0002046625](https://openairdocs.org/sdr/0002046625.md): Frame · cracked · May 24, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON FRAME, LOCATED AT BS 500, STRINGER 11R. REPAIRED PER EA 66-176689. - [SDR 0002026625](https://openairdocs.org/sdr/0002026625.md): Shear Tie · cracked · May 24, 2000 · N625US · Boeing 747251B · Fuselage Main, Structure > DURING M-CHECK, FOUND CRACK ON FRAME SHEAR TIE, LOCATED AT BS 520, STRINGER 11R. REPAIRED PER EA 66-176687 REV A. - [SDR 0002266625](https://openairdocs.org/sdr/0002266625.md): Angle · corroded · May 22, 2000 · N625US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING -M- INSPECTION, FOUND CORROSION ON CABIN FLOOR RT SIDEWALL FLANGE. REPAIRED PER EA 66-176776. - [SDR 0001976625](https://openairdocs.org/sdr/0001976625.md): Frame · cracked · May 22, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON FRAME WEB LOCATED AT STATION 1265. REPAIRED PER EA66-175568. - [SDR 0002006625](https://openairdocs.org/sdr/0002006625.md): Frame · cracked · May 19, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACKED FRAME WEB AT STRINGER CUTOUT UPPER INBOARD CORNER AT BS 360, STRINGER 10L. REPAIRED PER EA66-176684. - [SDR 0001996625](https://openairdocs.org/sdr/0001996625.md): Frame · cracked · May 19, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON FRAME WEB AT STRINGER CUTOUT UPPER INBOARD CORNER, AT BS 380, STRINGER 10R. REPAIRED PER EA 66-176683 REV A. - [SDR 0002036625](https://openairdocs.org/sdr/0002036625.md): Frame · cracked · May 18, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON FRAME, LOCATED AT BS 420, STRINGER 14R. REPAIRED PER EA66-176688. - [SDR 0002016625](https://openairdocs.org/sdr/0002016625.md): Frame · cracked · May 18, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON INBOARD EDGE OF FRAME WEB, LOCATED AT STATION 360, STRINGER 2R. REPAIRED PER EA 66-176686 REV A. - [SDR 0001986625](https://openairdocs.org/sdr/0001986625.md): Frame · cracked · May 18, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK AT CANTED BULKHEAD FRAME LOCATED AT STATION 260, STRINGER 32L. REPAIRED PER EA66-176190. - [SDR 0002056625](https://openairdocs.org/sdr/0002056625.md): Frame · cracked · May 13, 2000 · N625US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON FRAME, LOCATED AT BS 460, STRINGER 11 TO 12R. REPAIRED PER EA 66-176727. - [SDR 9902096625](https://openairdocs.org/sdr/9902096625.md): Actuator · failed · Jun 16, 1999 · N625US · Boeing 747251B · Landing Gear Door Actuator > DURING APPROACH, THE NOSE LANDING GEAR WOULD NOT EXTEND. RECYCLED THE LANDING GEAR AND GEAR EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE NOSE LANDING GEAR DOOR ACTUATOR, OPERATIONAL CHECK GOOD. - [SDR 9900466625](https://openairdocs.org/sdr/9900466625.md): Actuator · leaking · Feb 9, 1999 · N625US · Boeing 747251B · Landing Gear Door Actuator > DURING CRUISE (TPE), NR 1 HYDRAULIC SYSTEM QUANTITY WENT TO ZERO. TURNED NR 1 HYDRAULIC PUMP OFF AND AIRCRAFT CONTINUED TO NRT AND LANDED WITHOUT INCIDENT. AIRCRAFT WAS TOWED OFF THE RUNWAY TO THE GATE. REPLACED THE NOSE LANDING GEAR DOOR ACTUATOR. OPERATI - [SDR 9811166625](https://openairdocs.org/sdr/9811166625.md): Battery · discharged · Sep 26, 1998 · N625US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND B ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK GOOD. - [SDR 9723526625](https://openairdocs.org/sdr/9723526625.md): Spar Web · corroded · Nov 25, 1997 · N625US · Boeing 747251B · Wing Spar > DURING PERIODIC CHECK, FOUND CORROSION ON THE LEFT WING FORWARD SPAR WEB (P/N 65B225851-2) BETWEEN FSS 950-980. REPAIRED PER EA 66-152345. - [SDR 9722826625](https://openairdocs.org/sdr/9722826625.md): Spar Web · corroded · Nov 25, 1997 · N625US · Boeing 747251B · Wing Spar > DURING PERIODIC CHECK, FOUND CORROSION ON LEFT WING FORWARD SPAR WEB BETWEEN FSSI 1050 TO 1078. REPAIRED PER EA 66-153654. - [SDR 9721396625](https://openairdocs.org/sdr/9721396625.md): Power Supply · inoperative · Nov 13, 1997 · N625US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND 7 EMERGENCY EXIT SIGNS THROUGHOUT THE AIRCRAFT THAT FAILED THE 10 MINUTE CAPACITY CHECK. REPLACED THE POWER SUPPLIES, OPERATIONAL CHECK GOOD. - [SDR 9721426625](https://openairdocs.org/sdr/9721426625.md): Press Deck · corroded · Nov 11, 1997 · N625US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING PERIODIC CHECK, FOUND CORROSION ON CEILING PRESSURE DECK I BEAM IN THE RIGHT WHEEL WELL FS 1265, RBL 105 TO 117. REPAIRED PER EA 66-152533. - [SDR 9716656625](https://openairdocs.org/sdr/9716656625.md): Pump · leaking · Sep 2, 1997 · N625US · Boeing 747251B · Hydraulic Pump (Electric/Engine), Main > DURING CRUISE, THE NR 4 HYDRAULIC SYSTEM INDICATED A LOSS OF FLUID AND PRESSURE. AIRCRAFT DIVERTED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 ENGINE DRIVEN PUMP, OPERATIONAL CHECK GOOD. - [SDR 9701866625](https://openairdocs.org/sdr/9701866625.md): Engine · bird strike · Jan 27, 1997 · N625US · Boeing 747251B · Engine (Turbine/Turboprop) > DURING CLIMB AFTER DEPARTURE, CREW REPORTED POSSIBLE BIRD STRIKE ON RIGHT WING. DURING CRUISE FLIGHT, NR 3 ENGINE HAD A LOW FREQUENCY VIBRATION AT LOWER POWER SETTINGS. NR 3 ENGINE OIL QUANTITY BEGAN TO DECREASE, NR 3 ENGINE WAS SHUT DOWN AND LATER RESTARTED - [SDR 9701406625](https://openairdocs.org/sdr/9701406625.md): Aural Warn · malfunctioned · Jan 18, 1997 · N625US · Boeing 747251B · Central Warning > DURING TAKEOFF, THE AURAL WARNING HORN SOUNDED. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE COULD NOT DUPLICATE FAULT, OPERATIONAL CHECK OF AURAL WARNING SYSTEM AND FLAP SYSTEM CHECKED GOOD. - [SDR 9700826625](https://openairdocs.org/sdr/9700826625.md): Seat Track · corroded · Jan 3, 1997 · N625US · Boeing 747251B · Fuselage, Seat/Cargo Attach Fittings > DURING PERIODIC CHECK, FOUND CORROSION ON SEAT TRACK FLANGE. REPAIRED PER EA 66-121308. - [SDR 9623076635](https://openairdocs.org/sdr/9623076635.md): Compressor · stalled · Oct 26, 1996 · N625US · Boeing 747227B · Turbine Engine Compressor Section > DURING TAKEOFF ROTATION, THE NR 3 ENGINE EXPERIENCED TWO COMPRESSOR STALLS. AT THE TIME OF STALL, EGT ROSE TO 850 DEGREES CELSIUS FOR APPROXIMATELY FIVE MINUTES. EPR WAS 1.60 AND N1 AND N2 FLUCTUATED THEN DROPPED TO THE BOTTOM OF THE SCALE. CREW SHUT DOWN T - [SDR 9618976625](https://openairdocs.org/sdr/9618976625.md): Control Handle · lack of lube · Aug 30, 1996 · N625US · Boeing 747251B · Landing Gear Selector > DURING APPROACH THE LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER LANDING GEAR EXTENSION. RECYCLED LANDING GEAR AND LIGHT EXTINGUISHED. AIRCRAFT LANDED WITHOUT INCIDENT. LUBRICATED LANDING GEAR CONTROL HANDLE, OPERATIONAL CHECK GOOD. - [SDR 9601056625](https://openairdocs.org/sdr/9601056625.md): Pack · malfunctioned · Jan 17, 1996 · N625US · Boeing 747251B · Cabin Cooling System > AFTER TAKEOFF AND SUBSEQUENTLY TURNING OFF PACKS, SMOKE FILLED THE ENTIRE AIRCRAFT. WITH ALL PACKS SHOWING NORMAL OPERATING TEMPERATURE, THE SMOKE DISSIPATED WITHIN A MINUTE. CREW FOLLOWED COCKPIT OPERATING PROCEDURE, DUMPED 177,000 POUNDS OF FUEL, AND RETUR - [SDR 9600436625](https://openairdocs.org/sdr/9600436625.md): Power Supply · inoperative · Jan 10, 1996 · N625US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND THE STATE ROOM EMERGENCY TRACK LIGHT INOPERATIVE. REPLACED THE POWER SUPPLY AND BATTERY PACK AND FUNCTIONAL CHECK WAS NORMAL. - [SDR 9508226625](https://openairdocs.org/sdr/9508226625.md): Retract Mech · reqd service · May 20, 1995 · N625US · Boeing 747251B · Landing Gear Retraction/Extension System > DURING CLIMB, THE RIGHT BODY GEAR TILT LIGHT ILLUMINATED AND GEAR WOULD NOT RETRACT IN BOTH PRIMARY AND ALTERNATE. CREW FOLLOWED COCKPIT OPERATING MANUAL AND PROCEEDED FOR LANDING WITHOUT FURTHER INCIDENT. MAINTENANCE BLED THE SYSTEM AND RECYCLED CIRCUIT BRE - [SDR 9508216625](https://openairdocs.org/sdr/9508216625.md): Line · chafed · May 20, 1995 · N625US · Boeing 747251B · Landing Gear Retraction/Extension System > DURING CLIMB, THE RIGHT BODY GEAR TILT LIGHT ILLUMINATED AND BOTH PRIMARY AND ALTERNATE GEAR WOULD NOT RETRACT. CREW FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE AND MADE AN UNEVENTFUL LANDING IN MNL. MAINTENANCE FOUND RIGHT TILT ACTUATOR HYDRAULIC LINE CHAFE - [SDR 9506156625](https://openairdocs.org/sdr/9506156625.md): Bleed Valve · malfunctioned · Apr 18, 1995 · N625US · Boeing 747251B · Compressor Bleed Valve > DURING TAKEOFF, THE NR 4 ENGINE EXPERIENCED EGT RISE AND POWER WAS REDUCED TO KEEP WITHIN LIMITS. DURING CLIMB THE FAULT LIGHT CAME ON INDICATING IN THE 8 TO 10 RANGE. THE NACELLE DETECTOR WAS SWITCHED TO 'B' AND THE BELL AND LIGHT CAME ON. THE ENGINE WAS S - [SDR 9505466625](https://openairdocs.org/sdr/9505466625.md): Control Cable · disconnected · Apr 9, 1995 · N625US · Boeing 747251B · Power Lever > DURING TAKEOFF ROLL, THE NR 4 ENGINE WOULD NOT RESPOND TO POWER LEVER MOVEMENT AND THE TAKEOFF WAS ABORTED. THE CONTROL CABLE IN THE PYLON WAS FOUND TO HAVE DISCONNECTED AT THE PYLON DRUM. THE CABLE BOX IN THE PYLON WAS REPLACED AND THE SYSTEM OPERATION CHEC ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N625US' AND deregistration_id = 'N625US-2007-09-27' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N625US-2007-09-27/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.