# Service difficulty reports: N446US, cancelled Mar 9, 2007 A list on [N446US, cancelled Mar 9, 2007](https://openairdocs.org/deregistered/N446US-2007-03-09.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR USAA050786](https://openairdocs.org/sdr/USAA050786.md): Bulkhead · cracked · Jun 23, 2005 · N446US · Boeing 7374B7 · Fuselage Main, Bulkhead > FOUND BULKHEAD WEB WITH TWO CRACKS.125 INCH, WL 234, RBL 10.0 BS 178. INSTALLED DOUBLER PER EO 5300V153 AND SRM 53-10-08. (M) - [SDR USAA050673](https://openairdocs.org/sdr/USAA050673.md): Skin · cracked · May 23, 2005 · N446US · Boeing 7374B7 · Fuselage Main, Plate/Skin > CLT - FOUND SKIN CRACKED.5 INCH, FORWARD GALLEY SERVICE DOOR UPPER AFT CORNER. INSTALLED DOUBLER AND FILLER IAW SRM 52-00-01. (M) - [SDR USAA050674](https://openairdocs.org/sdr/USAA050674.md): Skin · delaminated · May 22, 2005 · N446US · Boeing 7374B7 · Trailing Edge Flaps > CLT - FOUND FLAP DELAMINATED,.5 INCH BY.5 INCH, LOWER SURFACE OF LT WING INBOARD AFT FLAP. COMPOSITE REPAIR IAW 737 SRM 57-53-02 AND 51-70-10. (M) - [SDR SB05025](https://openairdocs.org/sdr/SB05025.md): Battery · discharged · Feb 9, 2005 · N446US · Boeing 7374B7 · Emergency Lighting > PIT - FOUND EMERGENCY AISLE LIGHTS AT ROWS 3, 4 AND 5 INOPERATIVE. MAINTENANCE REPLACED THE BATTERY SUPPLY ASSEMBLY. - [SDR USA2004F00047](https://openairdocs.org/sdr/USA2004F00047.md): Odor · detected · May 11, 2004 · N446US · Boeing 7374B7 · Buffet/Galleys > CREW ADVISED OF A BURNING RUBBER ODOR IN THE AFT GALLEY. THE MAIN GALLEY POWER SWITCH WAS SECURED AND THE ODOR DISSIPATED. MAINTENANCE INSPECTED THE AREA AND OPERATED THE GALLEY EQUIPEMENT. NOT PROBLEM WAS FOUND. - [SDR USAASB03173](https://openairdocs.org/sdr/USAASB03173.md): Charger · inoperative · Sep 26, 2003 · N446US · Boeing 7374B7 · Emergency Lighting > MAINTENANCE REPORTED THE BULLNOSE AISLE EMERGENCY LIGHT, ABOVE SEAT 7D, INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE LIGHT ASSEMBLY, P/N 2417N504-8, AND THE M1134 CHARGER ASSEMBLY. REINSTALLED SAME BATTERY PACK. OPS CHECK GOOD. (M) - [SDR USAASB02199](https://openairdocs.org/sdr/USAASB02199.md): Charger · inoperative · Nov 3, 2002 · N446US · Boeing 7374B7 · Emergency Lighting > PIT - MAINTENANCE FOUND THE CENTER AISLE EMERGENCY EXIT LIGHT FOR THE OVERWING EXIT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE CHARGER ASSEMBLY AND THE BATTERY PACK. OPERATIONAL CHECK GOOD. (M) - [SDR USAASB02183](https://openairdocs.org/sdr/USAASB02183.md): Charger · failed · Oct 1, 2002 · N446US · Boeing 7374B7 · Emergency Lighting > CLT - MAINTENANCE FOUND THE EMERGENCY LIGHTS IN THE LAST SEVEN ROWS OF SEATS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE CHARGER ASSEMBLY AND BATTERY PACK. OPS CHECK GOOD. (M) - [SDR USAASB02179](https://openairdocs.org/sdr/USAASB02179.md): Battery Pack · discharged · Sep 23, 2002 · N446US · Boeing 7374B7 · Emergency Lighting > EWR - MAINTENANCE FOUND THE EMERGENCY LIGHTS FROM SEAT ROWS 7 TO 23 AND THE RIGHT AFT EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT THE AFT LEFT POSITION. OPERATIONAL CHECK GOOD. (M) - [SDR USAA020233](https://openairdocs.org/sdr/USAA020233.md): Channel · corroded · May 23, 2002 · N446US · Boeing 7374B7 · Fuselage Miscellaneous Structure > PIT - FOUND ZEE CHANNEL CORRODED, RIGHT SERVICE DOOR ZEE CHANNEL. INSTALLED REPAIR PER SRM 53-10-51 FIG 206. (M) - [SDR USAA020235](https://openairdocs.org/sdr/USAA020235.md): Seat Track · corroded · May 23, 2002 · N446US · Boeing 7374B7 · Fuselage, Seat/Cargo Attach Fittings > PIT - FOUND SEAT TRACK CORRODED, RIGHT INBOARD SEAT TRACK FORWARD END AT STATION 328. REMOVED CORROSION PER SRM 51-20-01. (M) - [SDR USAA020234](https://openairdocs.org/sdr/USAA020234.md): Intercostal · cracked · May 19, 2002 · N446US · Boeing 7374B7 · Fuselage Miscellaneous Structure > PIT - FOUND INTERCOSTAL CRACKED 1 INCH, FORWARD UPPER CORNER INTERCOSTAL AT BL 0 STATION 344-360. INSTALLED DOUBLER PER EA 73949. (M) - [SDR USAA020186](https://openairdocs.org/sdr/USAA020186.md): Skin · damaged · May 10, 2002 · N446US · Boeing 7374B7 · Rudder, Plate/Skin > PIT - FOUND RUDDER WITH SKIN DAMAGE, 6 INCHES WIDE BY 105 INCHES LONG, AND 5.5 INCHES WIDE BY 40 INCHES LONG, BOTH SIDES OF RUDDER. WET LAY UP REPAIR PER SRM 51-70-17 FIG 18 AND 51-70-11 AND EA 73999. (M) - [SDR USAASB01064](https://openairdocs.org/sdr/USAASB01064.md): Engine · overheated · Feb 27, 2001 · N446US · Boeing 7374B7 · Engine (Turbine/Turboprop) > CLT - FLT 1883 - ON CLIMB-OUT FROM CLT, EN ROUTE TO GCM, THE NR 1 ENGINE EGT REACHED 931 DEGREES WITH N1 CLIMB LIMIT. POWER WAS REDUCED TO MAINTAIN WITHIN LIMITS, BUT NR 1 ENGINE RAN APPROX 100 DEGREES GREATER THAN NR 2 ENGINE. FLIGHT RETURNED TO CLT AND LAN - [SDR USAASB00164](https://openairdocs.org/sdr/USAASB00164.md): Light · faulty · Jun 4, 2000 · N446US · Boeing 7374B7 · Emergency Lighting > GSO - MAINTENANCE FOUND THE AFT LEFT ENTRY DOOR EMERGENCY EGRESS LIGHT ASSEMBLY INOPERATIVE. MAINTENANCE ACCOMPLISHED TEMPORARY REPAIR TO LIGHT FIXTURE AND PROGRAMMED FOR REPLACEMENT AT THE NEXT HEAVY MAINTENANCE CHECK. OPS CHECK GOOD. (M) - [SDR USAASB00052](https://openairdocs.org/sdr/USAASB00052.md): Flap · failed · Feb 25, 2000 · N446US · Boeing 7374B7 · Trailing Edge Flap Control System > CUN - FLT 1515 - ON APPROACH, CAPTAIN COULD NOT EXTEND FLAPS BEYOND 10 DEGREES. QUICK REFERENCE HANDBOOK PROCEDURES WERE ACCOMPLISHED AND CIRCUIT BREAKERS CHECKED OK. PUMPS AND PRESSURE WERE ALSO OK. CREW ATTEMPTED ALTERNATE FLAP EXTENSION PROCEDURE BUT THI - [SDR USAASB99204](https://openairdocs.org/sdr/USAASB99204.md): Pump · failed · Aug 18, 1999 · N446US · Boeing 7374B7 · Hydraulic Pump (Electric/Engine), Main > CLT - FLT 806 - EN ROUTE FROM FLL-CLT, THE SYSTEM 'A' HYDRAULIC QTY INDICATOR DROPPED TO.25 INDICATION. F/O CONFIRMED VISUALLY A LEAK OFF THE LEFT WING NEAR THE ENGINE AND FLAP. THE NR 1 ENGINE HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED FOLLOWED SHORTLY - [SDR USAASB97233](https://openairdocs.org/sdr/USAASB97233.md): Battery Pack · discharged · Aug 24, 1997 · N446US · Boeing 7374B7 · Emergency Lighting > PIT - EMERGENCY EXIT LIGHTS ARE INOP, FROM ROW 20 BACK. REPLACED BATTERY PACK, SYSTEM OPERATIONALLY CHECKED OK. (M) - [SDR USAASB97081](https://openairdocs.org/sdr/USAASB97081.md): Wire · shorted · Mar 19, 1997 · N446US · Boeing 7374B7 · Light System Wiring > PHL - MAINTENANCE FOUND THE EMERGENCY EXIT LIGHT INOP AT SEAT ROW 10 ABC. MAINTENANCE FOUND WIRE SHORTED TO GROUND ON SEAT 10ABC. REPAIRED WIRE. OPS CHECK GOOD. (M) - [SDR USAASB97080](https://openairdocs.org/sdr/USAASB97080.md): Battery Pack · discharged · Mar 14, 1997 · N446US · Boeing 7374B7 · Emergency Lighting > TPA - MAINTENANCE FOUND THE EMERGENCY LIGHTS AT THE FORWARD AND MID CABIN POSITIONS INOP. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACKS IN THE FORWARD AND MID CABIN. OPS CHECK GOOD. (M) - [SDR USAASB97025](https://openairdocs.org/sdr/USAASB97025.md): 'B' Nut · loose · Jan 22, 1997 · N446US · Boeing 7374B7 · Compressor Bleed Control > MIA - FL 1850 - FLT HAD JUST DEPARTED MIA WHEN THE CAPT NOTICED A LOSS OF PWR FROM THE NR 2 ENG N1 DROPPED TO APPROX 30 PERCENT ON THE NR 2 ENG. CAPT ELECTED TO RETURN TO FIELD AT MIA. NO EMERGENCY WAS DECLARED AND THE FLT LANDED WITHOUT FURTHER INCIDENT. T - [SDR USAASB96113](https://openairdocs.org/sdr/USAASB96113.md): Wire Harness · failed · Jun 18, 1996 · N446US · Boeing 7374B7 · Main Landing Gear Strut/Axle/Truck > BWI - FLT 1257 - ON APPROACH TO DCA, ANTI-SKID INOP LIGHT CAME ON. FLIGHT DIVERTED TO BWI AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT MLG STRUT HARNESS AND THE LEFT INBOARD ANTI-SKID TRANSDUCER. OPS CHECK GOOD. (M) - [SDR 96ZZZM1072](https://openairdocs.org/sdr/96ZZZM1072.md): Transducer · malfunctioned · Jun 18, 1996 · N446US · Boeing 7374B7 · Brake Anti-Skid Section > BWI - FLT 1257 - ON APPROACH TO DCA, ANTI-SKID INOP LIGHT CAME ON. FLIGHT DIVERTED TO BWI AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT MLG STRUT HARNESS AND THE LEFT INBOARD ANTI-SKID TRANSDUCER. OPS CHECK GOOD. REFERENCE USAASB96113 - [SDR USAASB96008](https://openairdocs.org/sdr/USAASB96008.md): Control Valve · failed · Jan 12, 1996 · N446US · Boeing 7374B7 · Engine Thrust Reverser > TPA - FLT 202 - NR 2 ENGINE REVERSER LIGHT ON OVERHEAD PANEL ILLUMINATED DURING FLIGHT, THROTTLE OPERATED NORMALLY AND REVERSER OPERATED NORMALLY ON GROUND. MAINTENANCE REPLACED THRUST REVERSER CONTROL VALVE. NO LEAKS NOTED. OK FOR SERVICE. (X) ## 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 = 'N446US' AND deregistration_id = 'N446US-2007-03-09' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N446US-2007-03-09/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.