# Service difficulty reports: N603US, cancelled May 27, 1999 A list on [N603US, cancelled May 27, 1999](https://openairdocs.org/deregistered/N603US-1999-05-27.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 9809816603](https://openairdocs.org/sdr/9809816603.md): Boost Pump · failed · Jul 13, 1998 · N603US · Boeing 747151 · Fuel Boost Pump > DURING CLIMB, THE NR 4 FORWARD AND AFT BOOST PUMPS FAILED. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 FORWARD AND AFT BOOST PUMPS, OPERATIONAL CHECK GOOD. - [SDR 9809456603](https://openairdocs.org/sdr/9809456603.md): Boss · broken · Jun 3, 1998 · N603US · Boeing 747151 · Turbine Engine Compressor Section > AFTER TAKEOFF, THE OIL QUANTITY INDICATION FOR THE NR 1 ENGINE WENT TO ZERO AND OIL PRESSURE DROPPED. THE ENGINE WAS SHUT DOWN PER COM AND THE AIRCRAFT RETURNED TO NRT. MAINTENANCE INSPECTED THE ENGINE AND FOUND A BROKEN DIFFUSER CASE BOSS. REPLACED THE NR - [SDR 9805836603](https://openairdocs.org/sdr/9805836603.md): Fuel Control · failed · Apr 1, 1998 · N603US · Boeing 747151 · Fuel Control/Turbine Engines > DURING FINAL APPROACH AT 4000 MSL, THE NR 1 ENGINE FLAMED OUT. ONE RAPID RESTART WAS ATTEMPTED BUT WAS UNSUCCESSFUL. THE APPROACH AND LANDING WAS COMPLETED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE INLET AND EXHAUST WITH NO TROUBLE FOUND. THE FUEL CONTRO - [SDR 9804466603](https://openairdocs.org/sdr/9804466603.md): Engine · flamed out · Mar 16, 1998 · N603US · Boeing 747151 · Engine (Turbine/Turboprop) > AFTER REACHING CRUISE AT FL350, THE NR 4 ENGINE FLAMED OUT. WHILE DESCENDING, THE CREW ATTEMPTED THREE RESTARTS OF THE NR 4 ENGINE WITH THE LAST ONE SUCCESSFUL AT FL250. ALL ENGINE PARAMETERS INDICATED NORMAL AFTER THE RESTART SO THE AIRCRAFT CLIMBED BACK TO - [SDR 9710576603](https://openairdocs.org/sdr/9710576603.md): A1 Card · failed · May 30, 1997 · N603US · Boeing 747151 · Landing Gear Position and Warning > DURING CLIMB, THE RED LANDING GEAR LIGHT ILLUMINATED AFTER LANDING GEAR RETRACTION. RECYCLED LANDING GEAR AND THE NOSE DOWN LIGHT ILLUMINATED USING THE PRIMARY CIRCUIT BUT CHECKED NORMAL USING THE ALTERNATE CIRCUIT. AIRCRAFT CONTINUED TO HNL AND LANDED WITHO - [SDR 9708836603](https://openairdocs.org/sdr/9708836603.md): Bleed Vlv Screen · out of position · May 2, 1997 · N603US · Boeing 747151 · Compressor Bleed Valve > DURING TAKEOFF ROLL, THE NR 1 ENGINE EPR RESPONDED SLOWER WITH N1 2 TO 3 PERCENT LESS THAN THE OTHER ENGINES. THE NR 1 ENGINE EGT ENTERED RED WITH MAX EGT OF 925C. TAKEOFF WAS ABORTED AT 90 KNOTS. MAINTENANCE INSPECTED INLET AND TAILPIPE. FOUND THE UPPER 4 - [SDR 9709506603](https://openairdocs.org/sdr/9709506603.md): Bulkhead Web · corroded · Apr 24, 1997 · N603US · Boeing 747151 · Fuselage Main, Bulkhead > DURING TRANSITION CHECK, FOUND CORROSION AT BOTTOM OF CANTED BULKHEAD WEB FS 1241, LBL 35 - 50. REPAIRED PER EA 66-120416. - [SDR 9625766603](https://openairdocs.org/sdr/9625766603.md): Hyd Line · leaking · Dec 5, 1996 · N603US · Boeing 747151 · Hydraulic System, Main > DURING CLIMB, THE HYDRAULIC FLUID IN THE NR 4 HYDRAULIC SYSTEM DECREASED. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. SECURED HYDRAULIC LINE ON NR 4 AIR DRIVEN PUMP AUTO PRESSURE CONTROL SWITCH. OPERATIONAL CHECK GOOD. - [SDR 9618966603](https://openairdocs.org/sdr/9618966603.md): Dnlock Act · malfunctioned · Aug 30, 1996 · N603US · Boeing 747151 · Landing Gear Retraction/Extension System > DURING APPROACH, THE LEFT WING LANDING GEAR UNSAFE LIGHT ILLUMINATED. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND PERFORMED A TOWER FLY-BY. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE LEFT WING GEAR DOWNLOCK ACTUATOR, OPERATIONAL CHECK GOOD. - [SDR 9617136603](https://openairdocs.org/sdr/9617136603.md): Compressor · stalled · Aug 7, 1996 · N603US · Boeing 747151 · Turbine Engine Compressor Section > AT TOP OF DESCENT, THE NR 4 ENGINE COMPRESSOR STALLED. THE ENGINE WAS THEN SHUTDOWN AS EGT REACHED 950 DEGREES AND N2 WENT TO 105 PERCENT. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND MADE THREE ENGINE LANDING WITHOUT FURTHER INCIDENT. THE A/C WILL BE FERRY - [SDR 9615246603](https://openairdocs.org/sdr/9615246603.md): Power Supply · inoperative · Jul 12, 1996 · N603US · Boeing 747151 · Emergency Lighting > DURING LINE CHECK, FOUND EXIT SIGN AND CEILING EMERGENCY LIGHT OUT AT DOOR 1R. ALSO, FOUND FLOOR PATH EMERGENCY LIGHT INOPERATIVE BY NR 2 GALLEY. REPLACED EXIT SIGN, POWER SUPPLY, AND LIGHT ASSEMBLY. OPERATIONAL CHECK GOOD. - [SDR 9606066603](https://openairdocs.org/sdr/9606066603.md): Filter · dirty · Mar 13, 1996 · N603US · Boeing 747151 · Engine Fuel Distribution > DURING CRUISE AT FL330, THE NR 1 AND NR 4 ENGINES FLAMED OUT SIMULTANEOUSLY. RESTART WAS SUCCESSFUL AND THE FLIGHT CONTINUED TO NRT WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED CROSS FEED VALVE OPERATIONAL CHECK, FUEL TRANSFER VALVE CROSS FEED MANIFOLD IN - [SDR 9603776603](https://openairdocs.org/sdr/9603776603.md): Engine · birdstrike · Feb 14, 1996 · N603US · Boeing 747151 · Engine (Turbine/Turboprop) > DURING CLIMB, THE NR 2 ENGINE INGESTED BIRD AND SUBSEQUENT COMPRESSOR STALL AND IFSD. CREW FOLLOWED COCKPIT OPERATING PROCEDURE, DUMPED 40,000 POUNDS OF FUEL, AND RETURNED TO NRT WITHOUT FURTHER INCIDENT. REPLACED THE NR 2 ENGINE DUE TO 5TH HP DAMAGED. CHEC - [SDR 9603326603](https://openairdocs.org/sdr/9603326603.md): Turbine · damaged · Feb 9, 1996 · N603US · Boeing 747151 · Turbine Section > EN ROUTE, THE NR 1 ENGINE STALLED AND IFSD WAS ACCOMPLISHED. RESTART WAS ATTEMPTED, BUT FAILED. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND RETURNED TO NRT. VISUAL INSPECTION REVEALED METAL IN THE TAILPIPE AND A 6TH STAGE TURBINE DAMAGE. REPLACED NR 1 EN - [SDR 9520836603](https://openairdocs.org/sdr/9520836603.md): Floor Beam · corroded · Dec 1, 1995 · N603US · Boeing 747151 · Fuselage Main, Floor Beam > DURING PERIODIC CHECK, FOUND CORROSION ON THE RBL 98.8 LONGITUDINAL FLOOR BEAM, LOWER CHORD AT BS 1050. REPAIRED CHORD (P/N 65B10823-4) PER EA 66-104409. - [SDR 9519636603](https://openairdocs.org/sdr/9519636603.md): Web · corroded · Nov 30, 1995 · N603US · Boeing 747151 · Cargo/Baggage Doors > DURING PERIODIC CHECK, FOUND CORROSION ON THE AFT CARGO DOOR LOWER BEAM WEB BS 1850 AND BS 1900. REPAIRED WEB (P/N 65B04721-1) PER EA 66-104402, EA 66-104387. - [SDR 9513046603](https://openairdocs.org/sdr/9513046603.md): Ins · malfunctioned · Aug 23, 1995 · N603US · Boeing 747151 · Inertial Guidance System > AFTER TAKEOFF WITH NR 3 INS ON MEL, THE NR 1 INS WENT OUT OF TOLERANCE. CREW FOLLOWED COCKPIT OPERATING PROCEDURE, DUMPED 50,000 LBS OF FUEL, RETURNED TO HNL AND LANDED WITHOUT FURTHER INCIDENTS. MAINTENANCE REPLACED NR 1 INS AND PERFORMED FUNCTIONAL CHECK, - [SDR 9507396603](https://openairdocs.org/sdr/9507396603.md): Fire Warning · activated · May 8, 1995 · N603US · Boeing 747151 · Fire Detection > DURING OUTBOUND TAXI, THE APU FIRE WARNING LIGHT ILLUMINATED. THE FIRE BOTTLE WAS DISCHARGED, TWO MINUTES LATER DURING RETURN TO GATE, THE FIRE WARNING LIGHT ILLUMINATED AGAIN. APU WAS INSPECTED WITH NO EVIDENCE OF FIRE FOUND AND APU WAS PLACED ON MEL. - [SDR 9505046603](https://openairdocs.org/sdr/9505046603.md): Indicator · defective · Mar 29, 1995 · N603US · Boeing 747151 · Engine EGT/TIT Indicating System > DURING CLIMB, THE NR 1 ENGINE EXPERIENCED THE EGT RUNNING INTO THE RED CAUTION AREA AND THE AIRCRAFT RETURNED TO NRT WHERE AN UNEVENTFUL LANDING WAS MADE. NO FUEL WAS DUMPED. THE INDICATOR WAS FOUND TO BE READING HIGH STATICALLY AND WAS REPLACED. A GROUND R - [SDR 9503426603](https://openairdocs.org/sdr/9503426603.md): Engine · flame out · Mar 26, 1995 · N603US · Boeing 747151 · Fuel Controlling System > DURING CRUISE, THE NR 2 ENGINE EXPERIENCED A ROLLBACK OF ALL ENGINE INDICATIONS AND FLAMED OUT. RESTARTED ON FIRST ATTEMPT AND OPERATION WAS NORMAL THE REMAINDER OF THE FLIGHT. FUEL TANKS WERE SUMPED, FUEL FILTER WAS REPLACED, FUEL PRESSURE WAS CHECKED, AND ## 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 = 'N603US' AND deregistration_id = 'N603US-1999-05-27' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N603US-1999-05-27/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.