# Service difficulty reports: N673US, cancelled Feb 6, 2019 A list on [N673US, cancelled Feb 6, 2019](https://openairdocs.org/deregistered/N673US-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 · 97 reports - [SDR DALA2016090606624](https://openairdocs.org/sdr/DALA2016090606624.md): Fuse · inoperative · Sep 2, 2016 · N673US · Boeing 747451 · Emergency Lighting > ON SERVICE CHECK FOUND RIGHT HAND EXTERNAL EMERGENCY LIGHT INOPERATIVE AT 3RD POSITION. REPLACED FUSE ON THE POWER SUPPLY. - [SDR DALA2016090606612](https://openairdocs.org/sdr/DALA2016090606612.md): Fuse · inoperative · Sep 2, 2016 · N673US · Boeing 747451 · Emergency Lighting > DURING SERVICE CHECK, FOUND THE LEFT EXTERNAL EMERGENCY LIGHT INOPERATIVE AT 2ND POSITION. REPLACED FUSE ON POWER SUPPLY AT DR L3. SYSTEM OPERATION IS NORMAL. - [SDR DALA2016071205267](https://openairdocs.org/sdr/DALA2016071205267.md): Battery Pack · discharged · Jul 9, 2016 · N673US · Boeing 747451 · Emergency Lighting > ON CHECK, FOUND LT UPPER DECK DOOR BATTERY, OK, SWITCH WOULD NOT ILLUMINATE. MAINTENANCE REPLACED THE BATTERY PACK. SYSTEM OPERATION IS NORMAL. - [SDR DALA2016061704739](https://openairdocs.org/sdr/DALA2016061704739.md): Oven · malfunctioned · Jun 16, 2016 · N673US · Boeing 747451 · Buffet/Galleys > UPPER DECK OVEN OVERHEATED MEAL WITH ODOR AND SMALL FLAME THAT EXTINGUISHED IMMEDIATELY. REPLACED OVEN AND OVEN CONTROLLER BUT DEFERRED IAW MEL FOR FURTHER TROUBLESHOOTING AND INSPECTION. - [SDR DALA2015111306958](https://openairdocs.org/sdr/DALA2015111306958.md): Power Supply · inoperative · Nov 12, 2015 · N673US · Boeing 747451 · Emergency Lighting > EMERGENCY LIGHTS AT LT WING 2ND & AT RT WING 3RD TOTAL 4 EA BULBS INOPERATIVE. REPLACED POWER SUPPLY, CHARGER AT DOOR 3R, FUNCTIONAL CK NORMAL - [SDR DALA2015051603316](https://openairdocs.org/sdr/DALA2015051603316.md): Seat Track · damaged · May 15, 2015 · N673US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK DAMAGE ROW 53HJK. CUTOUT DAMAGED SECTION FABRICATED NEW SECTION IAW SRM 747-400, 53-00-52. REPAIR 4. - [SDR DALA2015031602165](https://openairdocs.org/sdr/DALA2015031602165.md): Battery Pack · inoperative · Mar 15, 2015 · N673US · Boeing 747451 · Emergency Lighting > EMERGENCY LIGHT INOPERATIVE AT R3 DOOR. SWAPPED BATTERY PACKS. - [SDR DALA2015011300266](https://openairdocs.org/sdr/DALA2015011300266.md): Skin · delaminated · Jan 13, 2015 · N673US · Boeing 747451 · Ailerons > TOP SKIN OF RT WING OTBD AILERON T/E FOUND TWO DELAMINATIONS. REPAIRED IAW SRM. - [SDR DALA2015010800259](https://openairdocs.org/sdr/DALA2015010800259.md): Tension Tie · cracked · Jan 8, 2015 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > ONE CRACK FOUND INHOLE OF DOUBLER AT BS 1140 TENSION TIE. - [SDR DALA2015010600192](https://openairdocs.org/sdr/DALA2015010600192.md): Shear Web · cracked · Jan 6, 2015 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > SHEAR WEB FOUND CRACKED. SHEAR WEB BS 1120 REPAIRED IAW SRM. - [SDR DALA2014123006911](https://openairdocs.org/sdr/DALA2014123006911.md): Structure · cracked · Dec 30, 2014 · N673US · Boeing 747451 · Fuselage Main, Structure > ONE CRACK FOUND ON BS 1180. REPAIRED IAW SRM. - [SDR DALA2014120206366](https://openairdocs.org/sdr/DALA2014120206366.md): Power Supply · inoperative · Dec 1, 2014 · N673US · Boeing 747451 · Emergency Lighting > EXTERIOR EMERGENCY LIGHT RT WING INOPERATIVE. R & R POWER SUPPLY. - [SDR DALA2014080504321](https://openairdocs.org/sdr/DALA2014080504321.md): Light · inoperative · Aug 4, 2014 · N673US · Boeing 747451 · Emergency Lighting > RED FLOOR PATH EMERGENCY LIGHT AT L4 DOOR MJUMP SEAT WON'T ILLUMINATE. REPLACED LIGHT ASSY. - [SDR DALA14034066313](https://openairdocs.org/sdr/DALA14034066313.md): Fuse · inoperative · Jun 8, 2014 · N673US · Boeing 747451 · Emergency Lighting > EXTERIOR EMERGENCY LIGHTS OUT. REPLACED FUSES ON BATTERY POWER SUPPLY. - [SDR DALA14034056313](https://openairdocs.org/sdr/DALA14034056313.md): Fuse · inoperative · Jun 8, 2014 · N673US · Boeing 747451 · Emergency Lighting > RIGHT AFT OVERWING EMERGENCY LIGHT INOPERATIVE. REMOVED BULB & CLEANED SOCKET L1165 IAW WDM 33-51-41, ALSO REPLACED POWER SUPPLY FUSE ON M7920. - [SDR DALA14034046313](https://openairdocs.org/sdr/DALA14034046313.md): Terminal · broken · Jun 8, 2014 · N673US · Boeing 747451 · Light System Wiring > L2 DOOR AISLE EXIT SIGN & NR 2 GALLEY EMERGENCY LIGHT INOPERATIVE. FOUND BROKEN TERMINAL AT M3453 EXIT SIGN ASSY AND REPAIRED TERMINAL & REPLACED POWER FUSE ON M7917 POWER SUPPLY. - [SDR DALA14033506313](https://openairdocs.org/sdr/DALA14033506313.md): Power Supply · inoperative · May 23, 2014 · N673US · Boeing 747451 · Emergency Lighting > OVERWING EMERGENCY LIGHT INOPERATIVE ON LT WING & RT WING. REPLACED POWER SUPPLY M7920. CHECKED NORMAL. - [SDR DALA14033486313](https://openairdocs.org/sdr/DALA14033486313.md): Connector · unsecure · May 23, 2014 · N673US · Boeing 747451 · Light System Wiring > EMERGENCY LIGHT INOPERATIVE ON CEILING ABOVE SEAT 22C. FOUND "D15670J" CONNECTOR LOOSE & SECURED CONNECTOR. PERFORMED EMERGENCY LIGHTS CHECKED OK. - [SDR DALA13016466313](https://openairdocs.org/sdr/DALA13016466313.md): Shear Web · cracked · Apr 13, 2013 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > THE SLOPING SHEAR WEB TO SUPPORTING STRUCTURE, BS 1120 LT HAS BEEN REPAIRED IAW SRM 53-40-30, REPAIR 3. - [SDR DALA13015266313](https://openairdocs.org/sdr/DALA13015266313.md): Shear Web · cracked · Apr 9, 2013 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > THE SLOPING SHEAR WEB TO SUPPORTING STRUCTING BS 1120 LT FOUND CRACKED. CRACK REPAIRED IAW SRM 53-40-30, REPAIR 3. - [SDR DALA13000786313](https://openairdocs.org/sdr/DALA13000786313.md): Power Supply · inoperative · Jan 10, 2013 · N673US · Boeing 747451 · Emergency Lighting > L4 DOOR SLIDE LIGHT INOPERATIVE. REPLACED LIGHT ASSY & POWER SUPPLY IAW AMM 33-51, CHECKED OK. - [SDR DALA12001766313](https://openairdocs.org/sdr/DALA12001766313.md): Light · missing · Jun 15, 2012 · N673US · Boeing 747451 · Emergency Lighting > DURING INSPECTION FOUND DOOR R3 EXIT LIGHT PLATE MISSING. MAINTENENACE REPLACED EXIT LIGHT ASSEMBLY. OPERATIONAL CHECK OK. - [SDR DALA1226926313](https://openairdocs.org/sdr/DALA1226926313.md): Skin · damaged · Apr 17, 2012 · N673US · Boeing 747451 · Trailing Edge Flaps > DURING INSPECTION FOUND DAMAGE PUNCTURES LOCATED 24 INCHES FROM THE AFT EDGE 65" FROM INBOARD EDGE, AT AFT FLAP SKIN AT RIGHT INBOARD TRAILING EDGE FLAP. MAINTENANCE CUT OUT DAMAGE PER SRM 91-70-10 AND REPAIR COMPLETED PER ERA 502474-14 AND SRM 57-53-01 AND 5 - [SDR DALA1214966313](https://openairdocs.org/sdr/DALA1214966313.md): Wire · loose · Mar 10, 2012 · N673US · Boeing 747451 · Light System Wiring > DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR LIGHTS FROM ROWS 22 THROUGH 31 ON THE RIGHT SIDE WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE WIRE LOOSE AT SEAT 24H AND SECURED IT. SYSTEM OPERATION WAS NORMAL AFTER THE WIRE WAS SECURED. - [SDR DALA1211776313](https://openairdocs.org/sdr/DALA1211776313.md): Bracket · damaged · Feb 26, 2012 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > AT STA 700 LBL 19 IN FWD CARGO PDU DISCONNECT BRACKETS FOR STA 930 AND 830 ARE DAMAGED. INSTALLED NEW BRACKETS, REF ERA 500713-14. - [SDR DALA1211766313](https://openairdocs.org/sdr/DALA1211766313.md): Floorbeam · damaged · Feb 24, 2012 · N673US · Boeing 747451 · Fuselage Main, Floor Beam > FLOORBEAM DAMAGE AT STA 700 IN FWD CARGO AT LBL 19. COMPLETED UP TO STEP 7 OF ERA 500713-14. OK TO TREAT AND PRIME. TREATED AND PRIMED PER STEP 8 OF ERA 500713-14. REPAIR INSTALLED COMPLETED. - [SDR DALA1211756313](https://openairdocs.org/sdr/DALA1211756313.md): Seat Track · cracked · Feb 24, 2012 · N673US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings > REMOVED UPPER CHORD FROM CUTOUT TO OUTBOARD EDGE FOUND CRACK IN SEAT TRACK AT STATION 690-740 LBL 27 AND REMOVED FABRICATED UPPER CHORD AND SPLICES AND 95' DRILLED. REMOVED AND REPLACED SEAT TRACK PER SRM 51-40-02 AND SRM 53-00-53 UPPER CHORD AND SPLICES INST - [SDR DALA1211736313](https://openairdocs.org/sdr/DALA1211736313.md): Floorbeam · damaged · Feb 23, 2012 · N673US · Boeing 747451 · Fuselage Main, Floor Beam > FWD CARGO BIN FLOORBEAM DAMAGED AT STA 740 LT BY GROUND CREW. C/W PERMANENT REPAIR ON FWD CARGO COMP UPPER CHORD AND WEB BS 740 PER ER/A 500649-14. - [SDR DALA1209746313](https://openairdocs.org/sdr/DALA1209746313.md): Light · missing · Feb 16, 2012 · N673US · Boeing 747451 · Emergency Lighting > DURING A LINE CHECK, MAINTENANCE FOUND EMERGENCY PATH LIGHTS AT DOOR 4R, 5R & 5L MISSING. MAINTENANCE REPLACED THE MISSING LIGHTS. OPS CHECKED GOOD. - [SDR DALA1208886313](https://openairdocs.org/sdr/DALA1208886313.md): Battery Pack · inoperative · Feb 16, 2012 · N673US · Boeing 747451 · Emergency Lighting > EMERGENCY EGRESS LIGHTING INOPERATIVE. REPLACED BATTERY AND REPLACED LIGHTS AND LENSES, CHECKED OK. - [SDR DALA1207966313](https://openairdocs.org/sdr/DALA1207966313.md): Light · inoperative · Feb 10, 2012 · N673US · Boeing 747451 · Emergency Lighting > DURING A MAINTENANCE VISIT, THE 5L DOOR EMERGENCY EXIT FLOORLIGHT WAS FOUND INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY EXIT FLOOR LIGHT ASSEMBLY. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT ASSEMBLY WAS REPLACED. - [SDR DALA1206206313](https://openairdocs.org/sdr/DALA1206206313.md): Light · inoperative · Feb 4, 2012 · N673US · Boeing 747451 · Emergency Lighting > DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHT AT SEAT 51K WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE FLOOR PROXIMITY LIGHT ASSEMBLY. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT ASSEMBLY WAS REPLACED. - [SDR DALA1206186313](https://openairdocs.org/sdr/DALA1206186313.md): Light · missing · Feb 4, 2012 · N673US · Boeing 747451 · Emergency Lighting > DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHTS AT DOOR 5 LEFT AND RIGHT WERE MISSING. MAINTENANCE INSTALLED THE FLOOR PROXIMITY LIGHT ASSEMBLIES AND LENS. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT ASSEMBLIES WERE REPLACED. - [SDR DALA1206166313](https://openairdocs.org/sdr/DALA1206166313.md): Connector · loose · Feb 2, 2012 · N673US · Boeing 747451 · Light System Wiring > DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHTS FROM ROWS 9-12 ON LEFT SIDE WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE CONNECTOR LOOSE AT ROW 9 ON THE LEFT SIDE AND RECONNECTED IT. SYSTEM OPERATION WAS NORMAL AFTER THE CONNECTOR WAS RE - [SDR DALA1202606313](https://openairdocs.org/sdr/DALA1202606313.md): Light · inoperative · Jan 17, 2012 · N673US · Boeing 747451 · Emergency Lighting > DURING A MAINTENANCE VISIT, THE EMERGENCY DOOR SLIDE LIGHT AT UPPER 5L WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE SLIDE LIGHT ASSEMBLY. SYSTEM OPERATION WAS NORMAL AFTER THE SLIDE LIGHT ASSEMBLY WAS REPLACED. - [SDR DALA1170476313](https://openairdocs.org/sdr/DALA1170476313.md): Light · inoperative · Dec 19, 2011 · N673US · Boeing 747451 · Emergency Lighting > DURING A MAINTENANCE VISIT, THE EMERGENCY DOOR EXIT LIGHT AT DOOR 2L WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE LIGHT ASSEMBLY. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT ASSEMBLY WAS REPLACED. - [SDR DALA1159346313](https://openairdocs.org/sdr/DALA1159346313.md): Flap · damaged · Oct 21, 2011 · N673US · Boeing 747451 · Trailing Edge Flaps > LT WING I/B FLAP CORNER COMPOSITE DAMAGE. REMOVED AND REPAIRED FLAP DAMAGE, HOT BONDED AND VACUUM BAGGED REPAIR, SANDED AND PAINTED REPAIR REF SRM 51-70-07. OK FOR SERVICE. - [SDR DALA1137616313](https://openairdocs.org/sdr/DALA1137616313.md): Frame · deformed · May 25, 2011 · N673US · Boeing 747451 · Fuselage Main, Frame > DURING MCK AT DEFORMATION WAS FOUND ON THE STA 560 FRAME UPPER CAP IN THE FWD CARGO COMPARTMENT. ER/A 491629-14 SECT I WAS ACCOMP AT THAT TIME. FOLLOW ON ACTION IS REQ FOR GAINING STAGE III APPROVAL FROM BOEING. STA MSP 25MAY11 ACCOMP ER/A 491629-14 SECTION - [SDR DALA11000076313](https://openairdocs.org/sdr/DALA11000076313.md): Fitting · damaged · May 19, 2011 · N673US · Boeing 747451 · Wing, Attach Fittings > DURING CARRIAGE REPLACEMENT, DAMAGE WAS FOUND ON THE RIB FITTING OF THE OTBD MID FLAP ASSY. ACCOMPLISH ER/A 491616-14 SECT III. - [SDR DALA1133426313](https://openairdocs.org/sdr/DALA1133426313.md): Floorbeam · broken · May 6, 2011 · N673US · Boeing 747451 · Fuselage Main, Floor Beam > FLOORBEAM WEB BROKEN AT STA 1700 LBL 15 IN MAIN DECK, S:0.8"X0. 7". REPAIRED THE WEB PER SRM 51-70-13 R1. - [SDR DALA1135576313](https://openairdocs.org/sdr/DALA1135576313.md): Floor Support · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON MAIN DECK FLOOR SUPPORT STRUCTURE AT STA 1640-1770 RBL 41.5. THE CORROSION OVER LIMIT. REPAIRED THE DAMAGED AREA PER ER/A 491625-14. - [SDR DALA1135566313](https://openairdocs.org/sdr/DALA1135566313.md): Floor Support · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON MAIN DECK FLOOR SUPPORT STRUCTURE AT STA 1640-1770 LBL 41.5. THE CORROSION OVER LIMIT. REPAIRED THE DAMAGED AREA PER ER/A 491624-14 REV ORIG. - [SDR DALA1134296313](https://openairdocs.org/sdr/DALA1134296313.md): Floor Support · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON FLOORBEAM SEAT ATTACHMENT CROWN ATR BL 11 STA 1780-1870. THE CORROSION OVER LIMIT. REPLACED THE CROWN WITH NEW ONE PER SRM 51-40-02 P1. - [SDR DALA1134286313](https://openairdocs.org/sdr/DALA1134286313.md): Floor Support · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON FLOORBEAM SEAT ATTACHMENT CROWN ATR BL 11 STA 2190-2240. THE CORROSION OVER LIMIT. REPAIRED THE SEAT TRACK PER SRM 53-00-52 REPAIR 6 FIG 201. - [SDR DALA1134276313](https://openairdocs.org/sdr/DALA1134276313.md): Floor Support · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON FLOORBEAM SEAT ATTACHMENT CROWN AT LBL 11 STA 2190-2240. THE CORROSION OVER LIMIT. REPAIRED THE SEAT TRACK PER SRM 53-00-52 REPAIR 6 FIG 201. - [SDR DALA1134256313](https://openairdocs.org/sdr/DALA1134256313.md): Floor Support · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON FLOORBEAM SEAT ATTACHMENT CROWN AT LBL 11 STA 1780-1870. THE CORROSION OVER LIMIT. REPLACED THE CROWN WITH NEW ONE PER SRM 51-40-02 P1. - [SDR DALA1133686313](https://openairdocs.org/sdr/DALA1133686313.md): Floorbeam · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Main, Floor Beam > CORROSION ON FLOORBEAM SEAT ATTACHMENT CROWN AT LBL 11 STA 1780-1870. THE CORROSION OVER LIMIT. REPLACE THE CROWN WITH NEW ONE PER SRM 51-40-02 P1. - [SDR DALA1133676313](https://openairdocs.org/sdr/DALA1133676313.md): Floorbeam · corroded · Apr 28, 2011 · N673US · Boeing 747451 · Fuselage Main, Floor Beam > CORROSION ON FLOORBEAM SEAT ATTACHMENT CROWN AT RBL 11 STA 1780-1870. THE CORROSION OVER LIMIT. REPLACED THE CROWN WITH NEW ONE PER SRM 51-40-02 P1. - [SDR DALA1135556313](https://openairdocs.org/sdr/DALA1135556313.md): Floor Support · corroded · Apr 26, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON FLOOR SUPPORT UPPER SURFACE AT BSTA 480-515 LBL 41.5 IN MAIN DECK S: 1" BY 2". REPAIRED THE DAMAGED FLOOR SUPPORT PER ER/A 491623-14 REV. ORIG. - [SDR DALA1135546313](https://openairdocs.org/sdr/DALA1135546313.md): Floor Support · corroded · Apr 26, 2011 · N673US · Boeing 747451 · Fuselage Miscellaneous Structure > CORROSION ON FLOORBEAM UPPER SURFACE AT BS 525-515. LBL 41.5 IN MAIN DECK S:1"X2". REPAIRED THE DAMAGED FLOORBEAM PER ER/A 491623/14 REV ORIG. Next page: https://openairdocs.org/deregistered/N673US-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 = 'N673US' AND deregistration_id = 'N673US-2019-02-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N673US-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.