# Service difficulty reports: N446MA, cancelled Mar 18, 2005

A list on [N446MA, cancelled Mar 18, 2005](https://openairdocs.org/deregistered/N446MA-2005-03-18.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR 2002F01088](https://openairdocs.org/sdr/2002F01088.md): Carbon Seal · damaged · May 20, 2002 · N446MA · Swrngn SA227* · Turbine Engine Compressor Section
  > AUA - FLT 7120 - PILOT REPORTED SMOKE IN COCKPIT AGAIN FROM RIGHT BLEED AIR. ENGINE IS USING OIL AND PILOT CAN SEE OIL VAPORS AND SMELL OIL VAPORS, IT IS NOT SMOKE. MAINTENANCE HAS DEFERRED THE RIGHT BLEED AIR DUE TO HIGH OIL CONSUMPTION CAUSING BAD SMELL AN
- [SDR 99ZZZM3](https://openairdocs.org/sdr/99ZZZM3.md): Actuator · out of adjust · Dec 2, 1998 · N446MA · Swrngn SA227AC · Landing Gear Actuator
  > AFTER TAKEOFF FROM ANC, THE GEAR WERE SLOW TO RETRACT AND THE RIGHT MAIN GEAR INDICATED UNSAFE. AFTER CYCLING THE GEAR TWICE MORE, THE GEAR STILL INDICATED UNSAFE. THE A/C RETURNED TO ANC. MX INSPECTED AND CLEANDD THE DOWN SUPPLY LINE AND REPLACED MAIN HYDR
- [SDR 97ZZZM739](https://openairdocs.org/sdr/97ZZZM739.md): Fuel Control · failed · Jun 28, 1997 · N446MA · Swrngn SA227AC · Fuel Control/Turbine Engines
  > DURING TAKEOFF ROLL OUT OF ANC, THE RIGHT ENG TORQUE INDICATIONS BEGAN FLUCTUATING. THE PILOT ABORTED THE TAKEOFF AND RETURNED TO MAINTENANCE WITH THE AIRCRAFT. MAINTENANCE PERFORMED A GROUND RUNUP CHECK AND ISOLATED THE PROBLEM TO THE RIGHT FUEL CONTROL UNI
- [SDR MALA965162](https://openairdocs.org/sdr/MALA965162.md): Skin · chafed · Oct 5, 1996 · N446MA · Swrngn SA227AC · Trailing Edge Flaps
  > DURING AN INSPECTION IN MSP, MAINTENANCE FOUND A CHAFF IN THE LEFT FLAP INBOARD TRAILING EDGE. REPAIRS WERE COMPLETED IAW FAC STRUCTURAL REPAIR MANUAL 57-90-60 PAGES 3-6. (M)
- [SDR MALA965158](https://openairdocs.org/sdr/MALA965158.md): Skin · chafed · Oct 5, 1996 · N446MA · Swrngn SA227AC · Trailing Edge Flaps
  > DURNG AN INSPECTION IN MSP, MAINTENANCE FOUND A CHAF THE LEFT FLAP INBOARD TRAILING EDGE. REPAIRS WERE COMPLETED IAW FAC REPAIR MANUAL 57-90-60 REPAIR NR 1 PAGES 3-6. (M)
- [SDR MALA965054](https://openairdocs.org/sdr/MALA965054.md): Torque Tube · damaged · Jun 22, 1996 · N446MA · Swrngn SA227AC · Elevator Control System
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THE ELEVATOR TORQUE TUBE ROD END HOLES TO BE ELONGATED. COMPLETED REPAIR TO ELEVATOR P/N 27-44001-161 S/N FAC-345 BY REPLACING ELEVATOR TORQUE TUBE WITH SAME P/N 27-44026-007 WITH NEW PART. ALL WORK COM
- [SDR MALA965053](https://openairdocs.org/sdr/MALA965053.md): Former · cracked · Jun 22, 1996 · N446MA · Swrngn SA227AC · Nacelle/Pylon, Frame/Spar/Rib
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND NACELLE UPPER FORMER CRACKED. STOP DRILLED CRACKS AND INSTALLED REPAIR DOUBLER AS PER FAC SRM 51-90-02 PAGE 5, REF. (M)
- [SDR MALA965052](https://openairdocs.org/sdr/MALA965052.md): Angle · damaged · Jun 22, 1996 · N446MA · Swrngn SA227AC · Nacelle/Pylon Structure
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND RIGHT OUTBOARD UPPER NACELLE TO WING TRANSIT ANGLE HAD FASTENER PULLING THROUGH SKIN. COMPLETED REPAIR BY FABRICATING AND WET INSTALLING REPAIR DOUBLER IAW ARP 54-20-9101 REV B DATED MAY 12, 1993 AND FAI
- [SDR MALA965022](https://openairdocs.org/sdr/MALA965022.md): Switch · failed · Jun 10, 1996 · N446MA · Swrngn SA227AC · Landing Gear Position and Warning
  > FLT 3078 - ON APPROACH TO MSP, THE NOSE GEAR INTRANSIT LIGHT FAILED TO ILLUMINATE UPON GEAR EXTENSION. ALL OTHER INDICATIONS WERE NORMAL. THE AIRCRAFT CONTINUED TO MSP. MAINTENANCE REPLACED THE LEFT UPPER POSITION SWITCH. ALL CHECKS WERE SATISFACTORY. (M)
- [SDR MALA964979](https://openairdocs.org/sdr/MALA964979.md): Corner · cracked · May 3, 1996 · N446MA · Swrngn SA227AC · Passenger/Crew Doors
  > MSP - DURING AN INSPECTION, MAINTENANCE PERSONNEL NOTED PASSENGER DOOR LOWER FORWARD CORNER CRACKED AT SNUBBER ATTACH PLATE. REMOVED AND REPLACED DOOR CORNER, P/N 27-4044-010, AND DOOR CORNER SUPPORT, P/N 27-24150-403, IAW FAC SRM 51-00-00, PAGE 4, AND SRM 51
- [SDR MALA964947](https://openairdocs.org/sdr/MALA964947.md): Brake · worn · Apr 10, 1996 · N446MA · Swrngn SA227AC · Landing Gear Brake System
  > FLT 3089 - WHILE TAXIING IN DTW, THE CREW NOTED THAT THE RIGHT BRAKE WOULDN'T HOLD PRESSURE. MX REPLACED THE RIGHT INBOARD AND OUTBOARD BRAKE ASSEMBLIES. ALL CHECKS GOOD. (M)
- [SDR MALA964926](https://openairdocs.org/sdr/MALA964926.md): Switch · failed · Mar 21, 1996 · N446MA · Swrngn SA227AC · Landing Gear Position and Warning
  > FLIGHT NR 3078 - INBOUND TO MSP, THE CREW NOTED THE LEFT MAIN GEAR INTRANSIT LIGHT WAS INTERMITTENT. THE AIRCRAFT CONTINUED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED THE LEFT MAIN GEAR UP POSITION SWITCH. ALL SYSTEMS OPERATED SATISF
- [SDR MALA964914](https://openairdocs.org/sdr/MALA964914.md): Emergency Pin · out of position · Mar 12, 1996 · N446MA · Swrngn SA227AC · Landing Gear Retraction/Extension System
  > MSP - FLT 3002 - ON CLIMB-OUT FROM MSP, LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO MSP. MAINTENANCE REPOSITIONED THE EMERGENCY PIN IN THE EMERGENCY GEAR SELECTOR TO THE NORMAL POSITION. SYSTEM OPERATED SATISFACTORILY. (X)
- [SDR MALA964858](https://openairdocs.org/sdr/MALA964858.md): Switch · failed · Feb 2, 1996 · N446MA · Swrngn SA227AC · Landing Gear Position and Warning
  > FLT 3214 - ON APPROACH TO MSP, THE LT GEAR INTRANSIT LIGHT FAILED TO ILLUMINATE DURING GEAR EXTENSION. ALL OTHER GEAR INDICATIONS WERE NORMAL. MAINTENANCE REPLACED THE LT MLG UPLIMIT AND BOTH DOWNLOCK SWITCHES. SYSTEM OPERATED SATISFACTORILY. (X)
- [SDR MALA954758](https://openairdocs.org/sdr/MALA954758.md): Engine · malfunctioned · Dec 23, 1995 · N446MA · Swrngn SA227AC · Engine (Turbine/Turboprop)
  > FLIGHT NR 3213 - ON CLIMB-OUT FROM MSP, THE RIGHT ENGINE TORQUE BEGAN TO INDICATE IN EXCESS OF 120 PERCENT. THE AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED THE ENGINE. INVESTIGATION IS CONTINUING. (M)
- [SDR MALA954732](https://openairdocs.org/sdr/MALA954732.md): Gear Pos Ind · failed · Dec 6, 1995 · N446MA · Swrngn SA227AC · Landing Gear Position and Warning
  > FLT NR 3214 - ON APPROACH TO MSP, THE NOSE GEAR GREEN LIGHT DIDN'T ILLUMINATE WHEN THE GEAR WAS SELECTED DOWN. THE CREW CYCLED THE GEAR BUT THE LIGHT FAILED TO ILLUMINATE. MAINTENANCE REPLACED THE LANDING GEAR POSITION INDICATOR AND THE NOSE GEAR DOWNLOCK SW
- [SDR MALA954735](https://openairdocs.org/sdr/MALA954735.md): Switch · out of adjust · Dec 5, 1995 · N446MA · Swrngn SA227AC · Landing Gear Position and Warning
  > FLT RN 3214 - ON APPROACH TO MSP, NO GEAR DOWN AND LOCKED INDICATION WAS RECEIVED FROM THE NOSE GEAR POSITION AFTER GEAR EXTENSION. THE CREW CYCLED THE GEAR UNTIL A DOWN AND LOCKED INDICATION WAS RECEIVED. MAINTENANCE REPOSITIONED THE DOWN AND LOCKED SWITCH
- [SDR MALA954728](https://openairdocs.org/sdr/MALA954728.md): Fire Wire · shorted · Dec 2, 1995 · N446MA · Swrngn SA227AC · Fire Detection
  > FLT NR 3334 - EN ROUTE, THE RIGHT ENGINE FIRE LIGHT BECAME DIMLY VISIBLE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPAIRED A SHORTED WIRE TO THE SIDE FIRE DETECTOR. ALL SYSTEMS OPERATED SATISFACTORILY DURING GROUD RUNS. (M)
- [SDR MALA954676](https://openairdocs.org/sdr/MALA954676.md): Fuel Control · out of adjust · Oct 23, 1995 · N446MA · Swrngn SA227AC · Fuel Controlling System
  > FLIGHT 3485 - DURING THE TAKEOFF ROLL IN DTW, THE LEFT ENGINE WAS SLOW TO MAKE STANDARD POWER. AFTER V, POWER DROPPED TO 80 PERCENT. WHEN SPEEDS WERE BROUGHT BACK TO 100 PERCENT ON THE LEFT ENGINE, THE TORQUE JUMPED TO 105 PERCENT AND THE BYPASS LIGHT CAME O
- [SDR MALA954574](https://openairdocs.org/sdr/MALA954574.md): Boot · worn · Aug 5, 1995 · N446MA · Swrngn SA227AC · Fire Detection
  > MSP - FLT 3218 - ON CLIMB-OUT, RIGHT ENGINE FIRE LIGHT BEGAN TO FLICKER. THE AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED A RUBBER BOOT FOR THE FIRE DETECTOR LOCATED AT THE ENGINE CASE. SYSTEM OPERATED SATISFACTORILY. (X)
- [SDR MALA954507](https://openairdocs.org/sdr/MALA954507.md): Prop Governor · failed · Jun 15, 1995 · N446MA · Swrngn SA227AC · Propeller Governor
  > FLT 3268 - DURING CRUISE, CREW NOTED A THUMPING NOISE FROM THE RT ENGINE, FOLLOWED BY A LOSS OF 200 RPM. THE FLIGHT CONTINUED TO MSP WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RT PROP GOVERNOR. THE SYSTEM OPERATED SATISFACTORILY. (W)
- [SDR TWRA954493](https://openairdocs.org/sdr/TWRA954493.md): Structure · damaged · Jun 7, 1995 · N446MA · Swrngn SA227AC · Nacelle/Pylon Structure
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND RT NACELLE INBOARD LOWER FORMER, NS 99.79, CRACKED AT LOWER KEELSON ATTACH FLANGE. COMPLETED REPAIRS TO RT NACELLE. REPLACED SKIN P/N 27-35112-2-03, ANGLE 27-31128-016, FORMER 27-35025-968. REPAIRED FO
- [SDR MALA954494](https://openairdocs.org/sdr/MALA954494.md): Rib · cracked · Jun 7, 1995 · N446MA · Swrngn SA227AC · Wing, Rib/Bulkhead
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND CRACK ON RT WING RIB, OUTBOARD OF FLAP CENTER HINGE, WS 99.510. COMPLETED REPAIR TO WING TRAILING EDGE RIB STATION 98.38 BY BLENDING OUT DAMAGE. INSTALLED REPAIR DOUBLER P/N 27-31086-022. ALSO, INSTALL
- [SDR MALA954492](https://openairdocs.org/sdr/MALA954492.md): Frame · cracked · Jun 7, 1995 · N446MA · Swrngn SA227AC · Passenger/Crew Doors
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THAT THE PASSENGER DOOR FRAME HAD CRACKS IN THE NUTPLATE AREA FOR THE DOOR HANDRAIL MOUNTS. COMPLETED REPAIR TO PASSENGER DOOR FRAME BY REPLACEMENT OF FOUR AFT LOWER CORNERS P/N 27-24044-009 AND 27-24044
- [SDR MALA954491](https://openairdocs.org/sdr/MALA954491.md): Frame · cracked · Jun 7, 1995 · N446MA · Swrngn SA227AC · Fuselage Main, Frame
  > MSP - DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND A.125 INCH CRACK AT RELIEF RADIUS IN LOWER BELT FRAME OF CONSTANT SECTION AT FS 189.06, LT SIDE, PN 27-22093-105. REPAIRED BY INSTALLING REPAIR DOUBLER IAW FAC SRM 53-90-20, REPAIR NR 19. (X)
- [SDR MALA954490](https://openairdocs.org/sdr/MALA954490.md): Frame · cracked · Jun 7, 1995 · N446MA · Swrngn SA227AC · Fuselage Main, Frame
  > DURING A SCHEDULED INSPECTION IN MSP, MECHANICS FOUND A.125 INCH CRACK AT RELIEF RADIUS IN LOWER BELT FRAME OF CONSTANT SECTION AT FS 332.27 RIGHT SIDE, P/N 27-22093-103. REPAIRED BY INSTALLING REPAIR DOUBLER IAW FAC SRM 53-90-20 REPAIR 319. (M)
- [SDR MALA954489](https://openairdocs.org/sdr/MALA954489.md): Skin · dented · Jun 7, 1995 · N446MA · Swrngn SA227AC · Fuselage Main, Plate/Skin
  > MSP - DURING SCHEDULED INSPECTION, MAINTENANCE FOUND A SMALL DENT IN THE LEFT SIDE OF THE FUSELAGE FORWARD OF THE REAR CARGO DOOR AT FS 422.27 AND STR 11. REPAIRS COMPLETED BY INSTALLING A REPAIR DOUBLER AND FILLER PIECE IAW FAC SRM 51-90-04, REPAIR NR 2. (X
- [SDR 95ZZZM214](https://openairdocs.org/sdr/95ZZZM214.md): Frame · cracked · Jun 7, 1995 · N446MA · Swrngn SA227AC · Passenger/Crew Doors
  > DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THAT THE PASSENGER DOOR FRAME HAD CRACKS IN THE NUTPLATE AREA FOR THE DOOR HANDRAIL MOUNTS. COMPLETED REPAIR TO PASSENGER DOOR FRAME BY REPLACEMENT OF FOUR AFT LOWER CORNERS P/N 27-24044-009 AND 27-24044
- [SDR MALA954413](https://openairdocs.org/sdr/MALA954413.md): Cooling Turbine · seized · Apr 16, 1995 · N446MA · Swrngn SA227AC · Cabin Cooling System
  > TVF - FLT 3446 - IN CRUISE FLIGHT, CREW NOTED THE RIGHT BLEED WAS PRODUCING SMOKE IN THE CABIN AND COCKPIT. THE CREW PERFORMED QUICK REFERENCE HANDBOOK PROCEDURES AND DIVERTED TO MJI. MAINTENANCE REPLACED THE RIGHT COOLING TURBINE. SYSTEM OPERATED SATISFACT
- [SDR MALA954321](https://openairdocs.org/sdr/MALA954321.md): Door Frame · cracked · Feb 14, 1995 · N446MA · Swrngn SA227AC · Fuselage Miscellaneous Structure
  > MSP - DURING SCHEDULED INSPECITON, AFT CARGO DOOR FRAME FOUND CRACKED AT FS 441.06. REPAIRS WERE COMPLETED BY REPLACING DAMAGED AREA WITH A REPAIR DOUBLER IAW FAC LAR-95-MALA-052. (X)
- [SDR MALA954320](https://openairdocs.org/sdr/MALA954320.md): Door Frame · cracked · Feb 14, 1995 · N446MA · Swrngn SA227AC · Cargo/Baggage Doors
  > DURING A SCHEDULED INSPECTION IN MSP, THE AFT CARGO DOOR FRAME WAS CRACKED AT FS 438.06. REPAIRS WERE COMPLETED BY REMOVING THE DAMAGED AREA, INSTALLING A REPAIR DOUBLER IAW FAC LAR-95-MALA-052. (Z)
- [SDR MALA954304](https://openairdocs.org/sdr/MALA954304.md): Altimeter · malfunctioned · Feb 10, 1995 · N446MA · Swrngn SA227AC · Altimeter, Barometric/Encoder
  > FLT 3144 - AFTER TAKEOFF FROM DTW, THE NR 1 ALTIMETER AND ALTITUDE ALERTER FLAGGED. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. AS A PRECAUTION, THE NR 1 ALTIMETER WAS REPLACED. SYSTEM OPERATED SATISFACTORILY. (Z)
- [SDR MALA954266](https://openairdocs.org/sdr/MALA954266.md): Bellcrank Spring · weak · Jan 19, 1995 · N446MA · Swrngn SA227AC · Landing Gear Retraction/Extension System
  > DTW - FLT 3445 - ON APPROACH, RT MAIN GEAR DID NOT EXTEND. THE CREW CYCLED GEAR AND PROBLEM REMAINED. THE CREW PERFORMED AN EMERGENCY GEAR EXTENSION AND LANDED WITHOUT INCIDENT IN DTW. MAINTENANCE REPLACED RT MLG BELLCRANK SPRING. SYSTEM OPERATED SATISFACT

## 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 = 'N446MA' AND deregistration_id = 'N446MA-2005-03-18'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N446MA-2005-03-18/reports

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