# Service difficulty reports: N478AC, cancelled Mar 21, 2013 A list on [N478AC, cancelled Mar 21, 2013](https://openairdocs.org/deregistered/N478AC-2013-03-21.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR CALA0001586](https://openairdocs.org/sdr/CALA0001586.md): Harness · burned · Oct 12, 2000 · N478AC · Doug DC982 · AC Power Distribution System > MAINTENANCE FOUND APU FEEDER CABLES BURNT AT TERMINAL BLOCK S3-23 STA 148 WHILE TROUBLESHOOTING PLACARD ON APU. TWO SECTIONS OF APU FEEDER CABLE WIRE WERE SPLICED FROM STA 220 UP TO TERMINAL BLOCK S3-23 IAW MM 20-50-01. THE TERMINAL BLOCK WAS ALSO REMOVED AN - [SDR CALA0001005](https://openairdocs.org/sdr/CALA0001005.md): Battery · inoperative · Jul 3, 2000 · N478AC · Doug DC982 · Emergency Lighting > THE LEFT AND RIGHT FORWARD OVERWING EMERGENCY EXIT SIGNS WERE FOUND INOPERATIVE. THE BATTERIES WERE REMOVED AND REPLACED AND OPERATION CHECKED GOOD IAW MM 33-53-00. - [SDR CALA0000594](https://openairdocs.org/sdr/CALA0000594.md): Battery Pack · inoperative · May 3, 2000 · N478AC · Doug DC982 · Emergency Lighting > OVERHEAD EMERGENCY LIGHT AT ROWS 9 - 14 INOPERATIVE. REPLACED BATTERY PACK AND CHARGER B5-32 PER MAINTENACE MANUAL 33-53-00 PAGE 501. - [SDR CALA9900876](https://openairdocs.org/sdr/CALA9900876.md): Fitting · cracked · Jul 27, 1999 · N478AC · Doug DC982 · Passenger/Crew Doors > INSPECTION FOUND A 1 CRACK IN L-1 DOOR LOWER HINGE FITTING. A NEW FITTING WAS INSTALLED IAW SRM 51-10-4. - [SDR CALA9900856](https://openairdocs.org/sdr/CALA9900856.md): Support · damaged · Jul 23, 1999 · N478AC · Doug DC982 · Fuselage Miscellaneous Structure > INSPECTION FOUND ELONGATED BOLT HOLES IN FORWARD BAGGAGE BIN FLOORBOARD SUPPORT BEAM AT STA 465 FROM STRINGER 227R TO 27L. THE FLOORBOARD SUPPORT BEAM AND FASTENERS WERE REPLACED IAW ECRA 5320-01588. - [SDR CALA9900855](https://openairdocs.org/sdr/CALA9900855.md): Skin · cracked · Jul 21, 1999 · N478AC · Doug DC982 · Fuselage Main, Plate/Skin > INSPECTION FOUND A 1.25 INCH CRACK IN SKIN AT FASTENER HOLE OF STA 200-207, LONGERON 15L. THE SKIN WAS REPAIRED IAW EA PD80-53-006. - [SDR CALA9900854](https://openairdocs.org/sdr/CALA9900854.md): Skin · dented · Jul 21, 1999 · N478AC · Doug DC982 · Trailing Edge Flaps > INSPECTION FOUND RT O/B FLAP PANEL O/B LOWER SURFACE DENTED WITH A BULGE ON O/B END. A DOUBLER REPAIR WAS INSTALLED IAW SRM 51-10-2 AND 51-10-3. - [SDR CALA9900812](https://openairdocs.org/sdr/CALA9900812.md): Skin · delaminated · Jul 8, 1999 · N478AC · Doug DC982 · Rudder, Tab Structure > INSPECTION FOUND RUDDER TRIM TAB DELAMINATED ON TRAILING EDGE AT AFT TOP CORNER AND BOTTOM CORNER. THE RUDDER TAB WAS REMOVED, REPAIRED, AND REINSTALLED IAW MM 27-20-2 AND SRM 51-90-2. - [SDR CALA9900811](https://openairdocs.org/sdr/CALA9900811.md): Track · corroded · Jul 8, 1999 · N478AC · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings > INSPECTION FOUND AFT CARGO TIE DOWN TRACK CORRODED AT STA 1007-1155. THE TIE DOWN TRACK WAS REPLACED IAW SRM 51-30-1. - [SDR CALA9900810](https://openairdocs.org/sdr/CALA9900810.md): Skin · cracked · Jul 8, 1999 · N478AC · Doug DC982 · Fuselage Main, Plate/Skin > INSPECTION FOUND THE RT LOWER FUSELAGE SKIN AFT OF NOSE GEAR CRACKED COMPLETELY THROUGH. REMOVED AND INSTALLED LOWER FUSELAGE SKIN IAW SRM 53-05. - [SDR CALA9900853](https://openairdocs.org/sdr/CALA9900853.md): Skin · gouged · Jun 28, 1999 · N478AC · Doug DC982 · Fuselage Main, Plate/Skin > INSPECTION FOUND A GOUGE IN FUSELAGE SKIN AT L-1 DOOR AFT CUTOUT. REPAIRED IAW SRM 53-05, FIGURE 26A. - [SDR CALA9800990](https://openairdocs.org/sdr/CALA9800990.md): Air Seal · worn · Jun 7, 1998 · N478AC · Doug DC982 · Turbine Engine Compressor Section > THE NR 1 ENGINE FAILED ACCOMPANIED BY A LOUD BANG DURING CLIMB-OUT OF EWR AT 10,000 FEET. THE CREW SHUT THE ENGINE DOWN AND THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED. THE ENGINE WAS RUN AND A - [SDR CALA9800723](https://openairdocs.org/sdr/CALA9800723.md): B-Nut · loose · Apr 29, 1998 · N478AC · Doug DC982 · Hydraulic System, Main > WHEN HYDRAULICS WERE SWITCHED TO LOW DURING CLIMBOUT. THE LEFT HYDRAULIC SYSTEM PRESSURE AND QUANTITY WENT TO ZERO. THE LEFT SWITCHES WERE TURNED TO OFF AND THE LEFT HYDRAULIC QUANTITY SLOWLY INCREASED TO 16 QUARTS. THE FLIGHT WAS CONTINUED TO ATL WHERE IT - [SDR CALA9701237](https://openairdocs.org/sdr/CALA9701237.md): Blade · failed · Aug 24, 1997 · N478AC · Doug DC982 · Turbine Engine Compressor Section > THE NR 1 ENGINE GAVE OFF A LOUD BANG AND QUIT DURING CLIMBOUT. AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED. *S/D* SHOP FINDINGS REVEALED C-7 BLADE FAILURE. - [SDR CALA9700790](https://openairdocs.org/sdr/CALA9700790.md): Fitting · broken · May 15, 1997 · N478AC · Doug DC982 · Leading Edge Devices > INSPECTION FOUND THE RT WING LEADING EDGE NR 3 SLAT OUTBOARD TRACK ATTACH FITTING BROKEN. A NEW FITTING WAS INSTALLED IAW SRM 51-00. - [SDR CALA9700792](https://openairdocs.org/sdr/CALA9700792.md): Longeron · corroded · May 7, 1997 · N478AC · Doug DC982 · Fuselage Main, Longeron/Stringer > INSPECTION FOUND LONGERON 22L CORRODED JUST AFT OF FUSELAGE STA 1287 BELOW AFT NOZZLE VALVE. A REPAIR WAS INSTALLED IAW SRM 53-02. - [SDR CALA9700794](https://openairdocs.org/sdr/CALA9700794.md): Skin · dented · May 6, 1997 · N478AC · Doug DC982 · Fuselage Main, Plate/Skin > INSPECTION FOUND LT FUSELAGE SKIN DENTED IN TWO AREAS JUST AFT OF MAIN CABIN DOOR AT STA 218 AND 237. A DOUBLER WAS FABRICATED AND INSTALLED IAW ECRA 5330-01535. - [SDR CALA9700793](https://openairdocs.org/sdr/CALA9700793.md): Skin · dented · May 6, 1997 · N478AC · Doug DC982 · Fuselage Main, Plate/Skin > INSPECTION FOUND LT FUSELAGE SKIN DENTED AT STA 320, LONGERON 21. A DOUBLER WAS FABRICATED AND INSTALLED IAW SRM 53-04, PAGE 39. - [SDR CALA9700791](https://openairdocs.org/sdr/CALA9700791.md): Rib · cracked · May 5, 1997 · N478AC · Doug DC982 · Wing, Rib/Bulkhead > INSPECTION FOUND A.75 INCH CRACK IN LT WING FIXED LEADING EDGE NOSE RIB TWENTY INCHES OUTBOARD OF NR 2 SLAT TRACK (XRS 30) AND A.75 INCH CRACK WAS FOUND FOURTEEN INCHES OUTBOARD OF NR 2 SLAT TRACK (XRS 25). DOUBLER REPAIRS WERE FABRICATED AND INSTALLED IAW - [SDR CALA9601857](https://openairdocs.org/sdr/CALA9601857.md): Wire · failed · Dec 19, 1996 · N478AC · Doug DC982 · Electrical Power System Wiring > THE CIRCUIT BREAKER FOR CENTER FUEL TANK AFT BOOST PUMP POPPED AND ALL FUEL QUANTITY GAUGES WENT BLANK AT TAKEOFF. BOTH A AND B CHANNELS WERE BLANK. THE CIRCUIT BREAKER WAS RESET, BUT IT POPPED AGAIN. THE CIRCUIT BREAKER FOR FUEL QUANTITY POWER TRANSFER WAS - [SDR CALA9601557](https://openairdocs.org/sdr/CALA9601557.md): Apu · leaking oil · Nov 4, 1996 · N478AC · Doug DC982 · APU Oil System > SMOKE WAS REPORTED IN THE AFT AND FORWARD SECTION OF CABIN DURING INITIAL CLIMB OUT OF IAH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE APU INLET AND BLEED OIL SOAKED. THE APU WAS REMOVED AND REPLACED. THE APU IN - [SDR CALA9601543](https://openairdocs.org/sdr/CALA9601543.md): Apu · overserviced · Nov 1, 1996 · N478AC · Doug DC982 · APU Oil System > SMOKE AND ODOR ENTERED THE CABIN SHORTLY AFTER TAKEOFF. BOTH THE SMOKE AND ODOR DISAPPEARED AFTER PULLING THE RECIRCULATING FAN CIRCUIT BREAKER. MAINTENANCE FOUND NO PROBLEMS WITH THE RECIRCULATING FAN. THE APU WAS CLEANED AND RUN WITH NO LEAKS NOTED. MAIN - [SDR CAL951048](https://openairdocs.org/sdr/CAL951048.md): Strut · low pressure · Nov 17, 1995 · N478AC · Doug DC982 · Nose/Tail Landing Gear Strut/Axle > FLT NR 0289 - CLE - THE NOSE GEAR RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION LEAVING CLE. CYCLING THE GEAR DID NOT HELP. THE AIRCRAFT WAS RETURNED TO CLE. MAINTENANCE FOUND THE NOSE STRUT PRESSURE LOW. THE NOSE STRUT WAS SERVICED TO PROPER - [SDR CAL950823](https://openairdocs.org/sdr/CAL950823.md): Limit Switch · loose · Sep 17, 1995 · N478AC · Doug DC982 · Power Lever > FLT NR 0392 - PBI - ALL THREE RED GEAR UNSAFE LIGHTS REMAINED ILLUMINATED AFTER LANDING GEAR RETRACTION. THE GEAR WAS CYCLED WITH NO CHANGE, BUT THE RED GEAR LIGHTS EXTINGUISHED WITH THROTTLE MOVEMENT. MAINTENANCE TIGHTENED BOTH THE LEFT AND RIGHT AUTO THROT - [SDR CAL950602](https://openairdocs.org/sdr/CAL950602.md): Switch · inoperative · Jul 18, 1995 · N478AC · Doug DC982 · Landing Gear Position and Warning > FLT NR 0603 - CLE - ALL LANDING GEAR RED LIGHTS REMAINED ILLUMINATED AFTER TAKEOFF WITH THE GEAR HANDLE UP. WHEN THE GEAR WAS EXTENDED FOR RETURN TO CLE, ALL INDICATIONS WERE NORMAL. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LANDING GEAR L - [SDR CAL950476](https://openairdocs.org/sdr/CAL950476.md): O-Ring · leaking · Jun 12, 1995 · N478AC · Doug DC982 · Hydraulic System, Main > FLT NR 0436 - IAH - THE RT THRUST REVERSER ACCUMULATOR LIGHT ILLUMINATED WHILE AT CRUISE EN ROUTE FROM LAX TO SAT. THE LIGHT EXTINGUISHED AFTER PULLING CIRCUIT BREAKER AND TURNING OFF RIGHT SYSTEM, BUT REAPPEARED ABOUT TWO MINUTES LATER. SEVERAL MINUTES LATER - [SDR CAL950445`](https://openairdocs.org/sdr/CAL950445%60.md): Angle · cracked · Apr 28, 1995 · N478AC · Doug DC982 · Fuselage Miscellaneous Structure > INSPECTION FOUND A 1.5 INCH CRACK IN THE RADIUS OF THE VERTICAL STABILIZER TO FUSELAGE ATTACH ANGLE AT FS 1474. THE CRACK WAS STOP DRILLED. A REPAIR WAS FABRICATED AND INSTALLED IAW SRM 53-05. (M) - [SDR CAL950293](https://openairdocs.org/sdr/CAL950293.md): Battery Pack · inoperative · Apr 18, 1995 · N478AC · Doug DC982 · Emergency Lighting > FLT 182 - IAH - INSPECTION FOUND THE OVERHEAD EMERGENCY LIGHTS AFT OF ROW 26 INOPERATIVE. THE BATTERY PACK WAS REMOVED AND REPLACED. (W) ## 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 = 'N478AC' AND deregistration_id = 'N478AC-2013-03-21' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N478AC-2013-03-21/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.