# Service difficulty reports: N612US, cancelled Aug 20, 2013 A list on [N612US, cancelled Aug 20, 2013](https://openairdocs.org/deregistered/N612US-2013-08-20.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 · 63 reports - [SDR 0102716612](https://openairdocs.org/sdr/0102716612.md): Battery Pack · inoperative · Aug 1, 2001 · N612US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND AN OVERWING EXTERIOR EMERGENCY LIGHT INOPERATIVE AND THE LEFT EMERGENCY ESCAPE PATH LIGHTING INOPERATIVE IN 'D' AND 'E' ZONES. REPLACED BATTERY PACKS. OPERATIONAL CHECK NORMAL. - [SDR 0101856612](https://openairdocs.org/sdr/0101856612.md): Power Supply · inoperative · May 18, 2001 · N612US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND E-ZONE EMERGENCY ESCAPE PATH LIGHTING INOPERATIVE. REPLACED POWER SUPPLY AND BATTERY. OPERATIONAL CHECK NORMAL. - [SDR ASAA0170003](https://openairdocs.org/sdr/ASAA0170003.md): Wire · disconnected · May 13, 2001 · N612US · Boeing 747251B · Light System Wiring > SEA - DURING LINE MAINTENANCE, THE EMERGENCY TRACK LIGHTS WERE FOUND TO BE INOPERATIVE IN ROWS 12 THROUGH 16. RE-CONNECTED THE TRACK LIGHT WIRES AT ROW 16. THE LIGHTS THEN OPERATED NORMALLY. (M) - [SDR 0101666612](https://openairdocs.org/sdr/0101666612.md): Check Valve · failed · May 4, 2001 · N612US · Boeing 747251B · Pneumatic Distribution System > AFTER BEGINNING DESCENT FROM FL300, THE NR 4 ENGINE FLAMED OUT. THE CREW TRIED TO RESTART THE ENGINE PER COM PROCEDURES WITHOUT SUCCESS. THE REMAINDER OF THE DESCENT AND LANDING WERE MADE WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE 8TH - [SDR 0004066612](https://openairdocs.org/sdr/0004066612.md): Controller · failed · Oct 31, 2000 · N612US · Boeing 747251B · Cabin Pressure Controller > DURING CLIMB, THE CONFIGURATION HORN SOUNDED INTERMITTENTLY AND THE AIRCRAFT LOST PRESSURE. THE OXYGEN MASKS DEPLOYED WITH NO AUTO PRESSURIZATION FAILURE INDICATION. CABIN PRESSURE MANUALLY RESTORED AND THE AIRCRAFT DUMPED FUEL AND RETURNED TO NRT LANDING WI - [SDR 0001826612](https://openairdocs.org/sdr/0001826612.md): Unknown · odor · May 9, 2000 · N612US · Boeing 747251B · Air Distribution System > DURING DESCENT, AN ELECTRICAL SMELL WAS NOTICED IN THE FLIGHT DECK AND CABIN. DEACTIVATED GALLEYS AND READING LIGHTS AND SMELL SLOWLY DISSIPATED. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. INSPECTED CABIN ELECTRICAL SYSTEM WITH NO FAULTS - [SDR ASAA0070001](https://openairdocs.org/sdr/ASAA0070001.md): Wire · disconnected · Jan 19, 2000 · N612US · Boeing 747251B · Light System Wiring > PDX - DURING MAINTENANCE CHECK, THE AFT CABIN EMERGENCY EXIT FLOOR TRACK LIGHTS WERE FOUND TO BE INOPERATIVE. RECONNECTED WIRING AND LIGHTS OPERATED NORMALLY. (M) - [SDR 9807846612](https://openairdocs.org/sdr/9807846612.md): Chord · cracked · Mar 9, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CRACK ON UPPER CHORD TOP SURFACE FASTENER HOLE AT WL 199, RBL 66. REPAIRED PER EA 66-156316. - [SDR 9807866612](https://openairdocs.org/sdr/9807866612.md): Stringer · corroded · Feb 22, 1998 · N612US · Boeing 747251B · Fuselage Main, Longeron/Stringer > DURING M-CHECK, FOUND CORROSION ON STRINGER WEB AT FS 2360 ADJACENT TO DRAIN HOLE. REPAIRED PER EA 66-153214. - [SDR 9807816612](https://openairdocs.org/sdr/9807816612.md): Doubler · corroded · Feb 22, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON REINFORCING DOUBLER ON INTERFACE AREA FS 2360 AT 6 O'CLOCK POSITION. REPAIRED PER EA 66-153214. - [SDR 9808396612](https://openairdocs.org/sdr/9808396612.md): Bulkhead · cracked · Feb 18, 1998 · N612US · Boeing 747251B · Fuselage Main, Bulkhead > DURING M-CHECK, FOUND CRACK ON TOP OUTBOARD (RHS) CORNER AT BULKHEAD 400, ZONE 110. REPAIRED PER EO 6-53-41184. - [SDR 9807836612](https://openairdocs.org/sdr/9807836612.md): Floorbeam · cracked · Feb 18, 1998 · N612US · Boeing 747251B · Fuselage Main, Floor Beam > DURING M-CHECK, FOUND FLOORBEAM WEB CRACKED AT FS 460 ADJACENT TO STR 13R. REPAIRED PER EA 66-156307. - [SDR 9807826612](https://openairdocs.org/sdr/9807826612.md): Fitting · corroded · Feb 10, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON THE STRINGER END FITTING 46R AT FS 1000. INSTALLED NEW STRINGER END FITTING PER SRM 51-30-02, 05. - [SDR 9807886612](https://openairdocs.org/sdr/9807886612.md): Bulkhd Fastener · cracked · Feb 9, 1998 · N612US · Boeing 747251B · Fuselage Main, Bulkhead > DURING M-CHECK, FOUND CRACK ON FASTENER HOLE AT FS 140 BULKHEAD, STR 14R, INNER RING DOUBLER AREA. REPAIRED PER EA 66-156319. - [SDR 9807876612](https://openairdocs.org/sdr/9807876612.md): Doubler · corrosion · Feb 8, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON BONDED DOUBLER OUT OF LIMIT AT FS 730, STR 12R. REPAIRED PER EA 66-155576. - [SDR 9807896612](https://openairdocs.org/sdr/9807896612.md): Pressure Deck · corroded · Jan 28, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON LEFT BODY LANDING GEAR WHEEL WELL PRESSURE DECK AT FS 1394, LBL 119, WL 180. REPAIRED PER EA 66-155575. - [SDR 9808416612](https://openairdocs.org/sdr/9808416612.md): Fitting · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON DOOR 4R MEDIUM CUTOUT FORWARD FRAME ON INSIDE SURFACE BELOW LEVELING COMPOUND, 6TH FITTING UP FROM BOTTOM CUTOUT AT FS 1690. REPLACED DOOR STOP FITTING (P/N 65B08936-6) PER SRM 51-30-02. - [SDR 9807796612](https://openairdocs.org/sdr/9807796612.md): Skin · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Main, Plate/Skin > DURING M-CHECK, FOUND SKIN DELAMINATED AND CORRODED AT LEFT BODY LANDING GEAR WHEEL WELL FS 1473, LBL 120, WL 175. REPAIRED PER EA 66-156323. - [SDR 9807546612](https://openairdocs.org/sdr/9807546612.md): Fitting · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON AFT END FITTINGS FOR STR 26L, 36L, 38L, 40L, 42L, 44L, 46L, 48L, 49L, 50L, AND 51L AT FS 2360. REPLACED FITTINGS PER DWG 65B02697 AND 65B02699. - [SDR 9807536612](https://openairdocs.org/sdr/9807536612.md): Fitting · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON THE FORWARD FITTINGS FOR STR 26L, 36L, 40L, 42L, 44L, 46L, 49L, 50L, 51 AT FS 2360. REPLACED FITTINGS PER DWG 65B04159, 65B04160, AND 65B04161. - [SDR 9807526612](https://openairdocs.org/sdr/9807526612.md): Fitting · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON THE AFT FITTINGS FOR STR 26R, 36R, 38R, 40R, 42R, 44R, 46R, 48R, 49R, 50R, AND 51R AT FS 2360. REPLACED FITTINGS PER DWG 65B02697 AND 65B02699. - [SDR 9807516612](https://openairdocs.org/sdr/9807516612.md): Fitting · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON THE FORWARD FITTINGS FOR STR 26R, 36R, 38R, 40R, 42R, 44R, AND 46R AT FS 2360. REPLACED FITTINGS PER DWG 65B04160. - [SDR 9807506612](https://openairdocs.org/sdr/9807506612.md): Forging · corroded · Jan 27, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON WINDOW FORGING LEFT FS 2140-2160, STR 22L. REPLACED FORGING PER SRM 51-30-02. - [SDR 9808386612](https://openairdocs.org/sdr/9808386612.md): Web · cracked · Jan 24, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CRACK ON WEB AT RIGHT NR 4 MEDIUM FORWARD FRAME. REPAIRED PER EA 66-155570. - [SDR 9807856612](https://openairdocs.org/sdr/9807856612.md): Floorbeam · corroded · Jan 22, 1998 · N612US · Boeing 747251B · Fuselage Main, Floor Beam > DURING M-CHECK, FOUND CORROSION ON FLOORBEAM WEB AT FS 1350, LBL 33. REPAIRED PER EA 66-153207. - [SDR 9808446612](https://openairdocs.org/sdr/9808446612.md): Fitting · corroded · Jan 21, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON DOOR 3R MEDIUM CUTOUT AFT LOWER CORNER SILL FITTING TOP SURFACE. REPLACED FITTING (P/N 65B11752-10) PER DWG SA 5340-01062-7. - [SDR 9808406612](https://openairdocs.org/sdr/9808406612.md): Fitting · cracked · Jan 21, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CRACK AT DOOR 3R MEDIUM FORWARD FRAME, LOWER FORWARD CORNER FITTING AT FS 1256, RBL 124, WL 198. INSTALLED NEW FITTING PER DWG SA 5340-01062-7. - [SDR 9808366612](https://openairdocs.org/sdr/9808366612.md): Spar · corroded · Jan 21, 1998 · N612US · Boeing 747251B · Wing Spar > DURING M-CHECK, FOUND CORROSION ON FRONT SPAR ABOVE LOWER CHORD AT FS 971 OPPOSITE LEADING EDGE FLAP NR 7. REPAIRED PER EA 66-155580. - [SDR 9808356612](https://openairdocs.org/sdr/9808356612.md): Fitting · cracked · Jan 21, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CRACK AT DOOR 3L MEDIUM FORWARD LOWER CORNER SILL FITTING FS 1272, LBL 125, WL 200. INSTALLED NEW REVEAL (P/N 65B11751-601) PER DWG SA 5340-1062-7. - [SDR 9808346612](https://openairdocs.org/sdr/9808346612.md): Fitting · corroded · Jan 21, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON DOOR 3L MEDIUM CUTOUT AFT LOWER CORNER SILL FITTING TOP SURFACE AT FS 1314, LBL 125, WL 199. INSTALLED NEW REVEAL (P/N 65B11752-9) PER DWG SA 5340-01062-7. - [SDR 9808436612](https://openairdocs.org/sdr/9808436612.md): Frame · cracked · Jan 19, 1998 · N612US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON MAIN DECK A-ZONE FS 360 FRAME WEB ADJACENT TO STR 25L. FABRICATED AND INSTALLED NEW WEB PER EA 66-153228. - [SDR 9808426612](https://openairdocs.org/sdr/9808426612.md): Frame · cracked · Jan 19, 1998 · N612US · Boeing 747251B · Fuselage Main, Frame > DURING M-CHECK, FOUND CRACK ON MAIN DECK A-ZONE FS 260 FRAME WEB ADJACENT TO STR 25R. FABRICATED AND INSTALLED NEW WEB PER EA 66-153227. - [SDR 9808376612](https://openairdocs.org/sdr/9808376612.md): Skin · corroded · Jan 18, 1998 · N612US · Boeing 747251B · Wing, Plate/Skin > DURING M-CHECK, FOUND CORROSION ON LOWER CHORD LOWER SKIN AT FRONT SPAR AREA FS 1392. REPAIRED PER EA 66-156321. - [SDR 9807906612](https://openairdocs.org/sdr/9807906612.md): Longeron · cracked · Jan 18, 1998 · N612US · Boeing 747251B · Fuselage Main, Longeron/Stringer > DURING M-CHECK, FOUND CRACK ON STR 7L AT FS 1040 AND 1060. REPAIRED PER EA 66-156558. - [SDR 9807496612](https://openairdocs.org/sdr/9807496612.md): Forging · corroded · Jan 17, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON WINDOW FORGING LEFT FS 2060-2080, STR 18L. REPLACED FORGING PER SRM 51-30-02. - [SDR 9808266612](https://openairdocs.org/sdr/9808266612.md): Chord · corrosion · Jan 16, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON DIAGONAL FLOOR INTERCOSTAL UPPER CHORD CLIP NUT HOLES AT FS 495 TO 520, LBL 9 TO 40. REPAIRED PER SRM 51-30-02. - [SDR 9807806612](https://openairdocs.org/sdr/9807806612.md): Fitting · corroded · Jan 16, 1998 · N612US · Boeing 747251B · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON STRINGER END FITTING FS 2360. REPLACED FITTING (P/N 65B0437-8) PER DWG 65B04161. - [SDR 9719436612](https://openairdocs.org/sdr/9719436612.md): Battery · discharged · Oct 17, 1997 · N612US · Boeing 747251B · Emergency Lighting > DURING LINE CHECK, FOUND B AND D ZONE FLOOR PATH EMERGENCY LIGHTS DEFECTIVE. REPLACED BATTERY ON POWER SUPPLY, OPERATIONAL CHECK GOOD. - [SDR 9719276612](https://openairdocs.org/sdr/9719276612.md): Evc · malfunctioned · Oct 14, 1997 · N612US · Boeing 747251B · Compressor Bleed Control > DURING FINAL APPROACH, THE NR 1 ENGINE LOW OIL PRESSURE WARNING LIGHT ILLUMINATED WITH THE INDICATED PRESSURE AT 25 PSI AND FALLING. THE EGT INDICATED 850C AND THE ENGINE WAS SHUT DOWN. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE - [SDR 9706836612](https://openairdocs.org/sdr/9706836612.md): Fire Wire · chafed · Mar 29, 1997 · N612US · Boeing 747251B · Fire Detection > DURING ENGINE SHUTDOWN, THE APU FIRE A-LIGHT ILLUMINATED. FIRE BOTTLES DISCHARGED. INSPECTION OF APU AND APU COMPARTMENT REVEALED NO EVIDENCE OF A FIRE. CLEANED AREA AND APU GROUND RUN AND TESTED OK. FIRE EXTINGUISHER AND SQUIB WERE REPLACED. INSPECTED FI - [SDR 9703616612](https://openairdocs.org/sdr/9703616612.md): Engine · failed · Feb 15, 1997 · N612US · Boeing 747251B · Engine (Turbine/Turboprop) > DURING CRUISE, THE NR 1 ENGINE EXPERIENCED AN ENGINE FLAMEOUT DUE TO OVERTEMP. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 ENGINE. OPERATIONAL CHECK GOOD. - [SDR 9702476612](https://openairdocs.org/sdr/9702476612.md): Compressor · stalled · Feb 4, 1997 · N612US · Boeing 747251B · Turbine Engine Compressor Section > DURING TOP OF DESCENT AT 37,000 FEET, NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL FOLLOWED BY A RISE IN EGT. NR 1 ENGINE WAS SHUT DOWN AND SUCCESSFULLY RESTARTED AT 20,000 FEET. MAINTENANCE PERFORMED TYPE 'A' STALL INSPECTION CHECK PER FIM 71-01-00. REMOVED - [SDR 9622266612](https://openairdocs.org/sdr/9622266612.md): Engine · flamed out · Oct 17, 1996 · N612US · Boeing 747251B · Engine (Turbine/Turboprop) > DURING CRUISE, THE NR 3 ENGINE EXPERIENCED FLAME-OUT. FLAME-OUT OCCURRED WHILE FUEL MANAGEMENT PROCEDURES WERE BEING ACCOMPLISHED. NO OVERTEMP OCCURRED AND RELIGHT WAS SUCCESSFUL ON SECOND ATTEMPT AT FL250. ENGINE OPERATION WAS NORMAL FOR THE REMAINDER OF T - [SDR 9614476612](https://openairdocs.org/sdr/9614476612.md): Longeron · corroded · Jun 25, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/Stringer > DURING P-CHECK, FOUND CORROSION ON STR 49L FROM BS 1851 TO 1853. REPAIRED STRINGER PER EA 66-101889. - [SDR 9614776612](https://openairdocs.org/sdr/9614776612.md): Longeron · corroded · Jun 24, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/Stringer > DURING P-CHECK, FOUND CORROSION ON STR 51R AT BS 2163. REPAIRED STRINGER (P/N 65B04369-176) PER EA 66-101900. - [SDR 9614466612](https://openairdocs.org/sdr/9614466612.md): Longeron · corroded · Jun 22, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/Stringer > DURING P-CHECK, FOUND CORROSION ON STR 47L AT BS 1708 AND 1718. REPAIRED STRINGER PER EA 66-101898. - [SDR 9614456612](https://openairdocs.org/sdr/9614456612.md): Longeron · corroded · Jun 20, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/Stringer > DURING P-CHECK, FOUND CORROSION ON STR 50L AT BS 2150 AND 2170. REPAIRED STRINGER (P/N 65B04369-87) PER EA 66-101895. - [SDR 9614416612](https://openairdocs.org/sdr/9614416612.md): Bulkhead · corroded · Jun 18, 1996 · N612US · Boeing 747251B · Fuselage Main, Bulkhead > DURING P-CHECK, FOUND CORROSION ON THE AFT PRESSURE BULKHEAD LOWER FACEPLATE AT BS 2360, LBL 11. REPAIRED FACEPLATE, EXTRUDED Y-SECTION, (P/N 65B02634-13) PER EA 66-101888. - [SDR 9614406612](https://openairdocs.org/sdr/9614406612.md): Spar · corroded · Jun 16, 1996 · N612US · Boeing 747251B · Wing Spar > DURING P-CHECK, FOUND CORROSION ON THE RIGHT WING FORWARD SPAR UPPER CHORD FS 1517. REPAIRED CHORD (P/N 65B10849-2) PER EA 66-101949. - [SDR 9614396612](https://openairdocs.org/sdr/9614396612.md): Bulkhead · cracked · Jun 14, 1996 · N612US · Boeing 747251B · Fuselage Main, Bulkhead > DURING P-CHECK, FOUND A CRACK AND CORROSION ON THE CANTED PRESSURE BULKHEAD DOUBLER AT BS 1251, LBL 84. REPAIRED DOUBLER (P/N 65B07992-105) PER EA 66-101891. Next page: https://openairdocs.org/deregistered/N612US-2013-08-20/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 = 'N612US' AND deregistration_id = 'N612US-2013-08-20' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N612US-2013-08-20/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.