# Service difficulty reports: N674US, cancelled Feb 6, 2019 A list on [N674US, cancelled Feb 6, 2019](https://openairdocs.org/deregistered/N674US-2019-02-06.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 2 · 66 reports - [SDR DALA2017102307776](https://openairdocs.org/sdr/DALA2017102307776.md): Door · lack of lube · Oct 21, 2017 · N674US · Boeing 747451 · Passenger/Crew Doors > UPPER DECK DOOR WOULD NOT ARM. CYCLED THE DOOR OPEN & CLOSED AND LUBRICATED THE MECHANISM. OPS CHECKED GOOD. OK FOR SERVICE. - [SDR DALA2017083006454](https://openairdocs.org/sdr/DALA2017083006454.md): Mechanism · dirty · Aug 29, 2017 · N674US · Boeing 747451 · Passenger/Crew Doors > UPPER DECK DOOR ON AIRCRAFT LEFT IS DIFFICULT TO ARM. DOOR ARMING HANDLE IS BINDING IN MANUAL POSITION. CLEANED AND LUBRICATE DOOR ARMING MECHANISM, OPS CHK'D NORMAL AND SECURED. - [SDR DALA2017053104393](https://openairdocs.org/sdr/DALA2017053104393.md): Light · inoperative · May 30, 2017 · N674US · Boeing 747451 · Emergency Lighting > BOTH EXTERNAL EMERGENCY LIGHTS OUT ABOVE ADF ANTENNA PLACARD RT SIDE. RELAMPED CKS GOOD REF AMM 33-51. - [SDR DALA2017053104392](https://openairdocs.org/sdr/DALA2017053104392.md): Light · inoperative · May 30, 2017 · N674US · Boeing 747451 · Emergency Lighting > EXTERNAL EMERGENCY LIGHTS OUT BOTH AT LT SIDE AT TE FLAP. RELAMPED CKS GOOD REF AMM 33-51. - [SDR DALA2017053004340](https://openairdocs.org/sdr/DALA2017053004340.md): Light · broken · May 27, 2017 · N674US · Boeing 747451 · Emergency Lighting > EMERGENCY LIGHT AT 28K BROKEN. SECURED THE LIGHT ASSY. - [SDR DALA2017031301983](https://openairdocs.org/sdr/DALA2017031301983.md): Fuse · inoperative · Mar 12, 2017 · N674US · Boeing 747451 · Emergency Lighting > 2 OF 4 EMERGENCY LIGHTS ARE INOPERATIVE AT THE LT WING FAIRING. FUSE IN M7920 REPLACED. CHECKED GOOD IAW AMM 33-51-04. - [SDR DALA2017031301982](https://openairdocs.org/sdr/DALA2017031301982.md): Charger · inoperative · Mar 12, 2017 · N674US · Boeing 747451 · Emergency Lighting > 3 OF 4 EMERGENCY LIGHTS ARE INOPERATIVE. R & R BATTERY CHARGERS AND FUSE IN M7920 IAW AMM. - [SDR DALA2017021701350](https://openairdocs.org/sdr/DALA2017021701350.md): Light · disconnected · Feb 16, 2017 · N674US · Boeing 747451 · Emergency Lighting > EMERGENCY FLOOR LIGHTING DAMAGED OR INOPERATIVE / LOCATIONS:203. FOUND EMERGENCY LIGHT DISCONNECTED RECONNECTED SAME OPS CHECK GOOD OK FOR SVC. - [SDR DALA2017011100247](https://openairdocs.org/sdr/DALA2017011100247.md): Lamp · inoperative · Jan 10, 2017 · N674US · Boeing 747451 · Emergency Lighting > DURING CHECK, FOUND 2 INOPERATIVE EMERGENCY LIGHTS. REPLACED THE LAMPS. - [SDR DALA2016120509568](https://openairdocs.org/sdr/DALA2016120509568.md): Slide · unserviceable · Dec 2, 2016 · N674US · Boeing 747451 · Escape Slide > L5 DOOR SLIDE PACK RIGGING UNSERVICEABLE. SLIDE PACK BOTTLE PARTIALLY DEPLOYED. R & R SLIDE PACK IAW AMDS 2560-9901-5L. OPS CHECKED GOOD. ACFT OK FOR SERVICE. - [SDR DALA2016120209490](https://openairdocs.org/sdr/DALA2016120209490.md): Connector · disconnected · Nov 30, 2016 · N674US · Boeing 747451 · Light System Wiring > EMERGENCY EXIT LIGHT IS INOPERATIVE. FOUND LIGHT ASSY UNPLUGGED, PLUGGED IN LIGHT AND OPS CHECKED GOOD IAW AMM 33-51-12. - [SDR DALA2016091906764](https://openairdocs.org/sdr/DALA2016091906764.md): Power Supply · inoperative · Sep 18, 2016 · N674US · Boeing 747451 · Emergency Lighting > EMERGENCY EXTERNAL LIGHTS AT LT 2ND AND RT 3RD POSITION ARE INOPERATIVE. REPLACED POWER SUPPLY. SYSTEM OPERATION IS NORMAL. - [SDR DALA2016051303919](https://openairdocs.org/sdr/DALA2016051303919.md): Skin · punctured · May 12, 2016 · N674US · Boeing 747451 · Elevator, Plate/Skin > LT INBD ELEVATOR UPPER SKIN PUNCTURED 1.5" X 1.5" AREA 32.25 FROM T/E 10.0 FROM INBD EDGE. REMOVED DAMAGE AT PREPARED AREA FOR CORE INSTALLATION IAW SRM. - [SDR DALA2016022301370](https://openairdocs.org/sdr/DALA2016022301370.md): Skin · corroded · Feb 23, 2016 · N674US · Boeing 747451 · Fuselage Main, Plate/Skin > AFT FUSELAGE LOWER LOBE BS 2240, STR 50-STR 51 LT: INTERNAL SKIN FOUND CORROSION, CORROSION TASK NR:C53-125-01. THE CORRODED INTERNAL SKIN AT AFTER FUSELAGE LOWER LOBE BS 2240, STR 50-51 LT WAS CUT OUT AND A DOUBLER WAS INSTALLED BEFORE THE REPAIR, DO A SKIN - [SDR DALA2016012600637](https://openairdocs.org/sdr/DALA2016012600637.md): Power Supply · inoperative · Jan 25, 2016 · N674US · Boeing 747451 · Emergency Lighting > RIGHT OVERWING EMERGENCY LIGHTS INOPERATIVE AT L813 AND L1870. REPLACED POWER SUPPLY AND CHECKED OK, AMM 33-51. - [SDR DALA2016012600636](https://openairdocs.org/sdr/DALA2016012600636.md): Power Supply · inoperative · Jan 25, 2016 · N674US · Boeing 747451 · Emergency Lighting > LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE AT L1699, L814 AND L1871. REPLACED POWER SUPPLY, CHECKED OK IAW AMM 33-51. - [SDR DALA2014101505559](https://openairdocs.org/sdr/DALA2014101505559.md): Fuse · failed · Oct 14, 2014 · N674US · Boeing 747451 · Emergency Lighting > LIGHT OVERWING EMERGENCY EXTERIOR LIGHT INOPERATIVE. R & R POWER SUPPLY FUSE. - [SDR DALA2014101505558](https://openairdocs.org/sdr/DALA2014101505558.md): Fuse · failed · Oct 14, 2014 · N674US · Boeing 747451 · Emergency Lighting > EXTERIOR EMERGENCY LIGHT RT OVERWING INOPERATIVE. R & R POWER SUPPLY FUSE. - [SDR DALA2014091505044](https://openairdocs.org/sdr/DALA2014091505044.md): Light · inoperative · Sep 15, 2014 · N674US · Boeing 747451 · Emergency Lighting > L4 DOOR, PROXIMITY EMERGENCY LIGHT INOPERATIVE. R & R EMERGENCY LIGHT. - [SDR DALA14032166314](https://openairdocs.org/sdr/DALA14032166314.md): Gate · corroded · May 27, 2014 · N674US · Boeing 747451 · Service Doors > RIGHT NR 1 MAIN ENTRY DOOR LOWER GATE LOWER SURFACE FOUND CORROSION. RT NR 1 MAIN CABIN DOOR LOWER GATE R & R IAW AMM. - [SDR DALA14014096314](https://openairdocs.org/sdr/DALA14014096314.md): Light · inoperative · Feb 28, 2014 · N674US · Boeing 747451 · Emergency Lighting > L1 DOOR MOUNTED EMERGENCY LIGHT INOPERATIVE. REPLACED EMERGENCY LIGHT ASSEMBLY. - [SDR DALA14006636314](https://openairdocs.org/sdr/DALA14006636314.md): Fuse · inoperative · Jan 31, 2014 · N674US · Boeing 747451 · Emergency Lighting > FLT DECK OVERHEAD EMRGENCY LIGHT INOPERATIVE. REPLACED FUSE ON POWER SUPPLY & CHECKS NORMAL. - [SDR DALA13013896314](https://openairdocs.org/sdr/DALA13013896314.md): Fuse · open · Mar 30, 2013 · N674US · Boeing 747451 · Emergency Lighting > EXTERIOR EMERGENCY LIGHT IS INOPERATIVE AT RT 3RD POSITION. FOUND POWER SUPPLY M7920 NR 3 FUSE OPEN. REPLACED FUSE AND OPS CHECKED OK IAW AMM 33- 51. - [SDR DALA13013886314](https://openairdocs.org/sdr/DALA13013886314.md): Fuse · open · Mar 30, 2013 · N674US · Boeing 747451 · Emergency Lighting > EXTERIOR EMERGENCY LIGHT IS INOPERATIVE AT LT 2ND POSITION. FOUND POWER SUPPLY M7920 NR 3 FUSE OPENED. REPLACED FUSE AND OPS CHECKED OK IAW AMM 33- 51. - [SDR DALA12011246314](https://openairdocs.org/sdr/DALA12011246314.md): Fuse · inoperative · Oct 26, 2012 · N674US · Boeing 747451 · Emergency Lighting > EXTERIOR EMERGENCY LIGHTS OUT SECOND LIGHT ON RT SIDE, THIRD LIGHT ON LT SIDE. REPLACED FUSES ON POWER SUPPLY AT DOOR 3L, OPS CHECKED GOOD. - [SDR DALA12002576314](https://openairdocs.org/sdr/DALA12002576314.md): Skin · delaminated · Jul 5, 2012 · N674US · Boeing 747451 · Spoilers > DURING INSPECTION RIGHT WING NR 7 SPOILER TRAILING EDGE LOWER SURFACE AT EDGES FOUND DELAMINATION. MAINTENANCE REPAIRED NR 7 SPOILER AS PER SRM 51-70-10. OPERATIONAL CHECK CARRIED OUT AND ADJUSTMENT TEST CARRIED OUT AS PER AMM 27-62-01. - [SDR DALA12002566314](https://openairdocs.org/sdr/DALA12002566314.md): Skin · delaminated · Jul 5, 2012 · N674US · Boeing 747451 · Spoilers > DURING INSPECTION RIGHT WING NR 8 SPOILER TRAILING EDGE LOWER SURFACE AT EDGES FOUND DELAMINATION. MAINTENANCE REPAIRED NR 8 SPOILER AS PER SRM 51-70-01. OPERATION AND ADJUSTMENT CHECK CARRIED OUT AS PER AMM 27-61-01. - [SDR DALA12002556314](https://openairdocs.org/sdr/DALA12002556314.md): Skin · delaminated · Jul 5, 2012 · N674US · Boeing 747451 · Spoilers > DURING INSPECTION FOUND LEFT WING NR 6 SPOILER TRAILING EDGE LOWER SURFACE EDGES DELAMINATION. MAINTENANCE REPAIRED NR 6 SPOILER AS PER SRM 51-70-10. NR 6 SPOILER OPERATIONAL AND ADJUSTMENT TEST CARRIED OUT FOUND SATISFACTORY AS PER AMM 27-62-01. - [SDR DALA12002546314](https://openairdocs.org/sdr/DALA12002546314.md): Skin · delaminated · Jul 5, 2012 · N674US · Boeing 747451 · Spoilers > DURING INSPECTION FOUND LEFT WING NR 5 SPOILER TRAILING EDGE LOWER SURFACE EDGES DELAMINATION. MAINTENANCE REPAIRED NR 5 SPOILER AS PER SRM 51-70-10. OPERATIONAL CHECK CARRIED OUT AND ADJUSTMENT TEST CARRIED OUT AS PER AMM 27-61-01. - [SDR DALA12001956314](https://openairdocs.org/sdr/DALA12001956314.md): Floor Support · corroded · Jun 22, 2012 · N674US · Boeing 747451 · Fuselage Miscellaneous Structure > DURING INSPECTION AT BS 1700-1730, RBL 95, FLOOR SUPPORT FOUND CORRODED. FLOOR SUPPORT REPLACED AS PER SRM 53-00-52, FIGURE 201, REPAIR 3. - [SDR DALA12001676314](https://openairdocs.org/sdr/DALA12001676314.md): Flap Track · corroded · Jun 12, 2012 · N674US · Boeing 747451 · Trailing Edge Flaps > DURING INSPECTION, RIGHT WING NR 7 FLAP TRACK INBOARD SIDELOAD FITTING FOUND WITH CORROSION. MAINTENANCE REMOVED AND REPLACED RIGHT WING NR 7 FLAP TRACK INBOARD SIDE LOAD FITTING PER B747-400 AMM 27-51-27. - [SDR DALA12001536314](https://openairdocs.org/sdr/DALA12001536314.md): Skin · cracked · Jun 12, 2012 · N674US · Boeing 747451 · Fuselage Main, Plate/Skin > DURING INSPECTION, A CRACK WAS FOUND ON THE UPPER LOBE DOUBLER, BS 2521, RIGHT SIDE. MAINTENANCE ACCOMPLISHED ER/A 503507-14AD SECTION I AND II. - [SDR DALA12001666314](https://openairdocs.org/sdr/DALA12001666314.md): Intercostal · corroded · Jun 8, 2012 · N674US · Boeing 747451 · Fuselage Miscellaneous Structure > DURING INSPECTION AT BS 2320 TO 2340, RBL 11 FOUND INTERCOSTAL CORRODED. MAINTENANCE REPAIRED INTERCOSTAL AS PER SRM 53-00-52, FIG 201 REPAIR 3. - [SDR DALA12001656314](https://openairdocs.org/sdr/DALA12001656314.md): Intercostal · corroded · Jun 8, 2012 · N674US · Boeing 747451 · Fuselage Miscellaneous Structure > DURING INSPECTION AT BS 2320-2340, LBL 11 INTERCOSTAL FOUND CORRODED. MAINTENANCE REPAIRED INTERCOSTAL PER SRM 53-00-52, FIGURE 201 REPAIR 3. - [SDR DALA12001646314](https://openairdocs.org/sdr/DALA12001646314.md): Seat Track · corroded · Jun 4, 2012 · N674US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings > DURING INSPECTION, AT STA 2230 TO 2280, LBL 11 SEAT TRACK FOUND CORRODED. MAINTENANCE REPAIRED SEAT TRACK PER SRM 53-00-52 FIG 201, REPAIR 4. - [SDR DALA12001636314](https://openairdocs.org/sdr/DALA12001636314.md): Seat Track · corroded · Jun 4, 2012 · N674US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings > DURING INSPECTION, AT STATION 2230 TO 2280, RBL 11 SEAT TRACK, FOUND CORROSION. MAINTENANCE REPAIRED SEAT TRACK PER SRM 53-00-52 FIG 201 REPAIR 4. - [SDR DALA1019396314](https://openairdocs.org/sdr/DALA1019396314.md): Light · malfunctioned · Aug 15, 2010 · N674US · Boeing 747451 · Emergency Lighting > DURING LINE CHECK, MX FOUND THE L5 DOOR, DOOR MOUNTED EMERGENCY SLIDE ILLUMINATION LIGHT INOPERATIVE. MX REPLACED THE LIGHT ASSY. OPS CHECK WAS GOOD. - [SDR DALA1019386314](https://openairdocs.org/sdr/DALA1019386314.md): Oven · overheated · Aug 13, 2010 · N674US · Boeing 747451 · Buffet/Galleys > DURING FLIGHT, OVEN 2-46 OVERHEATED RESULTING IN A BURNING PLASTIC SMELL. CIRCUIT BREAKER WAS PULLED. MX REPLACED THE OVEN, OVEN CONTROLLER, RELAY AND PLUG. OPS CHECK WAS GOOD. - [SDR DALA1015956314](https://openairdocs.org/sdr/DALA1015956314.md): Power Supply · inoperative · Jul 10, 2010 · N674US · Boeing 747451 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND A/C RIGHT EXTERNAL EMERGENCY LIGHT (3RD FROM FWD) INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY AND BATTERY PACK. OPERATIONAL CHECK WAS GOOD. - [SDR DALA1015916314](https://openairdocs.org/sdr/DALA1015916314.md): Power Supply · inoperative · Jul 10, 2010 · N674US · Boeing 747451 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND LEFT EXTERNAL EMERGENCY LIGHT (2ND FROM FRONT) INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY AND BATTERY PACK. OPERATIONAL CHECK WAS GOOD. - [SDR DALA104386314](https://openairdocs.org/sdr/DALA104386314.md): Light · broken · Feb 26, 2010 · N674US · Boeing 747451 · Emergency Lighting > F/A FOUND DOOR 4L EMERGENCY FLOOR LIGHT BROKEN. MX REPLACED THE LIGHT ASSEMBLY AND LENS. OPS CK WAS GOOD. - [SDR DALA104006314](https://openairdocs.org/sdr/DALA104006314.md): Skin · delaminated · Feb 19, 2010 · N674US · Boeing 747451 · Trailing Edge Flaps > DURING "L" CHECK FOUND DELAMINATION ON RT WING OTBD T/E FLAP LOWER SURFACE. REPAIRED IAW SRM 51-70-07. - [SDR DALA103996314](https://openairdocs.org/sdr/DALA103996314.md): Shear Web · damaged · Feb 19, 2010 · N674US · Boeing 747451 · Fuselage Miscellaneous Structure > DURING "L" CHECK FOUND SHORT EDGE MARGIN ON DOOR NR 5 CREW REST SHEAR WEB FASTENER HOLES AND STIFFENER. REPAIRED IAW ERA 473393-14AD. - [SDR NWAA094106314](https://openairdocs.org/sdr/NWAA094106314.md): Fuse · blown · Dec 1, 2009 · N674US · Boeing 747451 · Emergency Lighting > DURING OVERNIGHT CHECK, MAINTENANCE FOUND 2 RIGHT OVERWING EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED FUSE NR 3 ON POWER SUPPLY N7920. OPERATIONAL CHECKS OKAY. - [SDR NWAA094096314](https://openairdocs.org/sdr/NWAA094096314.md): Fuse · blown · Dec 1, 2009 · N674US · Boeing 747451 · Emergency Lighting > DURING OVERNIGHT CHECK, MAINTENANCE FOUND 2 LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED THE NR 3 FUSE OF POWER SUPPLY M7919. OPERATIONAL CHECK GOOD. - [SDR NWAA093446314](https://openairdocs.org/sdr/NWAA093446314.md): Oven · malfunctioned · Oct 3, 2009 · N674US · Boeing 747451 · Buffet/Galleys > THE OVEN AT LOCATION 1-26 BEGAN TO EMIT SMOKE DURING THE COOKING CYCLE. THE FLIGHT CONTINUED ON TO NRT AND LANDED UNEVENTFULLY. MAINTENANCE WOULD REPLACE BOTH THE AFFECTED OVEN AND OVEN CONTROLLER, THE SYSTEM OPERATED NORMALLY AFTER THE OVEN AND CONTROLLER W - [SDR NWAA 091566314](https://openairdocs.org/sdr/NWAA%20091566314.md): Power Supply · inoperative · May 9, 2009 · N674US · Boeing 747451 · Emergency Lighting > DURING OVERNIGHT CHECK, FOUND LEFT SIDE OVERWING EMERGENCY SLIDE LIGHT INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. - [SDR NWAA09616314](https://openairdocs.org/sdr/NWAA09616314.md): Power Supply · inoperative · Feb 27, 2009 · N674US · Boeing 747451 · Emergency Lighting > DURING OVERNIGHT CHECK, FOUND RT SIDE EXTERIOR EMERGENCY LIGHT 2ND FROM AFT IS INOP. MX REMOVED AND REPLACED POWER SUPPLY. OPS CHECKED GOOD, AND ACFT WAS RETURNED TO SERVICE. (K) - [SDR NWAA082516314](https://openairdocs.org/sdr/NWAA082516314.md): Charger · inoperative · Jun 4, 2008 · N674US · Boeing 747451 · Emergency Lighting > DURING OVERNIGHT CHECK, FOUND ZONE A & B RT SIDE EMERGENCY PATH LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED BATTERY CHARGER. OPERATIONAL CHECKED GOOD, AND AIRCRAFT WAS RETURNED TO SERVICE. (A) - [SDR NWAA081426314](https://openairdocs.org/sdr/NWAA081426314.md): Connector · loose · Apr 4, 2008 · N674US · Boeing 747451 · Light System Wiring > DURING INSPECTION FLOOR LEVEL ESCAPE PATH LIGHTING FROM ROW 51 TO ROW 61 AIRCRAFT LEFT SIDE WOULD NOT ILLUMINATE. MAINTENANCE FOUND AN ELECTRICAL CONNECTOR AT ROW 61 THAT HAD COME UNDONE, RECONNECTED AND ALL OPS NORMAL. Next page: https://openairdocs.org/deregistered/N674US-2019-02-06/reports.md?page=2 ## 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 = 'N674US' AND deregistration_id = 'N674US-2019-02-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N674US-2019-02-06/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, except the copies of manufacturers’ service documents, which belong to their rights holders.