# Service difficulty reports: N891SK, cancelled Jan 15, 2008

A list on [N891SK, cancelled Jan 15, 2008](https://openairdocs.org/deregistered/N891SK-2008-01-15.md).

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

- [SDR S2Y2005F00000](https://openairdocs.org/sdr/S2Y2005F00000.md): Pcb · shorted · Jul 22, 2005 · N891SK · Beech 1900D · Landing Gear Position and Warning
  > DURING APPROACH, THE CREW DID NOT RECEIVE THE DOWN AND LOCK INDICATION FOR THE NOSE LANDING GEAR. THE CREW ALSO NOTED A SMOKE ODOR IN THE COCKPIT. THE CREW MADE A SAFE LANDING. MAINTENANCE INSPECTED THE SYSTEM AND FOUND BOTH THE ANNUNCIATOR FAULT DETECT PCB
- [SDR S2YA05046](https://openairdocs.org/sdr/S2YA05046.md): Pcb · shorted · Jul 22, 2005 · N891SK · Beech 1900D · Landing Gear Position and Warning
  > DURING APPROACH OF FLIGHT, THE CREW DID NOT RECEIVE THE DOWN AND LOCK INDICATION FOR THE NOSE LANDING GEAR. THE CREW ALSO NOTED A SMOKE ODOR IN THE COCKPIT. THE CREW MADE A SAFE LANDING. MAINTENANCE INSPECTED THE SYSTEM AND FOUND BOTH THE ANNUNCIATOR FAULT
- [SDR S2YA05044](https://openairdocs.org/sdr/S2YA05044.md): Pressure System · fluctuates · Jul 20, 2005 · N891SK · Beech 1900D · Engine Oil Pressure
  > SHORTLY AFTER TAKEOFF, THE CREW REPORTED THE OIL PRESSURE DROPPED TO ABOUT 40 PSI ACCOMPANIED BY A TEMPERATURE INCREASE TO 800 DEGREES AND TORQUE FLUCTUATIONS. THE CREW PERFORMED AN AIR-TURN-BACK. MAINTENANCE INSPECTED THE AC AND REPLACED THE RT ENGINE. WITH
- [SDR S2YA05036](https://openairdocs.org/sdr/S2YA05036.md): Uplock Switch · out of adjust · Jun 1, 2005 · N891SK · Beech 1900D · Landing Gear Position and Warning
  > ON CLIMBOUT OF FLIGHT, THE CREW REPORT THE LANDING GEAR HANDLE LIGHT WAS FLICKERING WITH THE HANDLE IN THE UP POSITION. THE CREW PERFORMED AN AIR-TURN-BACK TO DEPARTURE AIRPORT. MECHANIC ADJUSTED THE LT MAIN UPLOCK SWITCH AND RETURNED THE AC TO SERVICE. (K)
- [SDR 2006FA0000149](https://openairdocs.org/sdr/2006FA0000149.md): Structure · corroded · Feb 7, 2005 · N891SK · Beech 1900D · Fuselage Main, Structure
  > AIR STAIR DOOR LOWER CLOSURE, MFG FROM 4130 STEEL, WAS CORRODED THRU UNDER FOLDING STEP. THIS CLOSURE HAD BEEN PREVIOUSLY REPAIRED BY REMOVING CORROSION, TREATING AND A DOUBLER INSTALLED. REMOVED CLOSURE DUE TO CORROSION AND DISBOND FROM DOOR CORE MATERIAL.
- [SDR S2YA03002](https://openairdocs.org/sdr/S2YA03002.md): Valve · inoperative · Jan 20, 2003 · N891SK · Beech 1900D · Landing Gear Retraction/Extension System
  > SHORTLY AFTER TAKEOFF, THE CREW SELECTED GEAR UP BUT THE GEAR DID NOT RETRACT. THE CREW DID AN AIR-TURN-BACK AND HAD AN UNEVENTFUL LANDING. MECHANIC INSPECTED THE SYSTEM AND REPLACED THE HYDRAULIC SERVICE VALVE. MECHANIC OPS CHECKED THE SYSTEM WITH NO FURTH
- [SDR S2YA03001](https://openairdocs.org/sdr/S2YA03001.md): Compressor · stalled · Jan 12, 2003 · N891SK · Beech 1900D · Turbine Engine Compressor Section
  > DURING FLIGHT 1044 MKE-GRB THE CREW REDUCED ENGINE TORQUE TO 2200 LBS. THE FIRST OFFICER OBSERVED FLAME COMING OUT OF FROM THE RIGHT ENGINE. THERE NO INSTRUMENT INDICATION OF ANY ENGINE PROBLEMS. THE CREW SHUT DOWN THE RIGHT ENGINE AS A PRECAUTION, DECLARED
- [SDR S2YA02016](https://openairdocs.org/sdr/S2YA02016.md): Switch · sticks · Apr 29, 2002 · N891SK · Beech 1900D · Propeller Feathering/Reversing
  > FLT 1454 - DAY-MKE - DURING TAKEOFF, THE RIGHT AUTO FEATHER DISABLE ANNUNCIATOR ILLUMINATED. THE CREW ABORTED THE TAKEOFF. THE A/C WAS FERRIED BACK TO MKE. MAINTENANCE REPLACED THE AUTO FEATHER SWITCHES IN THE POWER LEVER, OPS CHECK GOOD. (M)
- [SDR S2YA00005](https://openairdocs.org/sdr/S2YA00005.md): Switch · out of rig · Mar 18, 2000 · N891SK · Beech 1900D · Door Warning System
  > FLT 1630 - MKE-CMH - SHORTLY AFTER TAKEOFF, THE CABIN DOOR ANNUNCIATE ILLUMINATED AND THE CREW MADE AN AIRTURN BACK TO MKE. AFTER AN UNEVENTFUL LANDING THE CREW CONSULTED WITH MX AND PUT THE ANNUNCIATOR ON MEL. MAINTENANCE CLEARED THE MEL 3/21/00 BY CLEANING
- [SDR S2YA98019](https://openairdocs.org/sdr/S2YA98019.md): Cam · malfunctioned · Jul 5, 1998 · N891SK · Beech 1900D · Trailing Edge Flap Control System
  > CMH/MKE - FLT 1829 - DURING TAKEOFF ROLL, CREW DETECTED SMELL OF SMOKE AND SAW SMOKE IN CABIN. ABORTED T/O, RETURNED TO GATE. MAINT INSPECTED ACFT, FOUND THE FLAP MOTOR DAMAGED FROM OVERHEATING. FLAP SYSTEM WAS PLACED ON MEL AND ACFT RETURNED TO SERVICE. M
- [SDR S2YA98002](https://openairdocs.org/sdr/S2YA98002.md): Windshield · cracked · Jan 12, 1998 · N891SK · Beech 1900D · Flight Compartment Windows
  > MKE/CMH - WHILE CLIMBING THROUGH FL 120, THE CAPTAIN'S WINDSHIELD CRACKED. THE CREW NOTIFIED ATC, DECLARED AN EMERGENCY AND RETURNED TO MKE. AFTER MAKING A SAFE LANDING, MAINTENANCE REPLACED THE WINDSHIELD AND RETURNED AIRCRAFT TO SERVICE. THE CRACK WAS FO
- [SDR S2YA970031](https://openairdocs.org/sdr/S2YA970031.md): Rt Unit · failed · Oct 6, 1997 · N891SK · Beech 1900D · Weather Radar System
  > FLT 1234 - MQT-MKE - DURING THE CLIMB-OUT, THE CREW TURNED ON THE RADAR AND FOUND IT TO BE INOPERATIVE. DECIDED TO RETURN TO MQT DUE TO BAD WEATHER EN ROUTE TO MKE. MADE AN UNEVENTFUL LANDING. ONCE ON THE GROUND, MAINTENANCE TROUBLESHOT THE SYSTEM. REPLACE
- [SDR S2YA970026](https://openairdocs.org/sdr/S2YA970026.md): Fire Loop · failed · Jul 18, 1997 · N891SK · Beech 1900D · Fire Detection
  > MKE/FNT - FLT 1881 - ON TAKEOFF ROLL, FLIGHT CREW NOTICED LT ENGINE FIRE ANNUNCIATOR (T-HANDLE) ILLUMINATED. THE TAKEOFF ROLL WAS ABORTED AT 25 KNOTS, AND THE AIRCRAFT RETURNED TO THE GATE WITHOUT INCIDENT. WHEN THE AIRCRAFT WAS INSPECTED BY MAINTENANCE, THE
- [SDR 97ZZZX1795](https://openairdocs.org/sdr/97ZZZX1795.md): Vertical Gyro · failed · Jan 1, 1997 · N891SK · Beech 1900D · Attitude Gyro and Indicating System
  > DURING THE MONTH OF JANUARY, SEVEN 332D-11T VERTICAL GYROS (P/N 622-4565-001) FAILED. THE TIMES FOR THE VG'S WERE: 1,639.3 HRS ON N NR 145SK; 5,375.1 HRS ON N NR 79SK; 6,125.4 ON N NR 801SK; 2,328.9 HRS ON N NR 831SK; 3,063.1 HRS ON N NR 881SK; 6,820.9 HRS
- [SDR S2YA960028](https://openairdocs.org/sdr/S2YA960028.md): Switch · out of adjust · Oct 21, 1996 · N891SK · Beech 1900D · Landing Gear Position and Warning
  > FLT 1265 - AFTER TAKEOFF, THE CREW NOTICED THE GEAR HANDLE UNSAFE LIGHTS REMAINED ILLUMINATED AND THE WARNING HORN SOUNDED CONTINUOUSLY WHEN LANDING GEAR HANDLE WAS RAISED TO THE RETRACT POSITION. MAINTENANCE ADJUSTED FLAP LIMIT SWITCH S4 AND ADJUSTED FLAP SY
- [SDR S2YA960027](https://openairdocs.org/sdr/S2YA960027.md): Flap Motor · overheated · Oct 16, 1996 · N891SK · Beech 1900D · Trailing Edge Flap Actuator
  > DURING RUNUP BEFORE FIRST FLIGHT OF THE DAY, THE CREW NOTICED SMOKE IN THE CABIN, MAINTENANCE FOUND THE FLAP MOTOR WINDINGS HAD OVERHEATED INTERNALLY. IT WAS REPLACED BUT THE FLAP SYSTEM WAS DEFERRED DUE TO RIGGING REQUIRED. (M)
- [SDR S2YA960016](https://openairdocs.org/sdr/S2YA960016.md): Ehsi · failed · Jul 12, 1996 · N891SK · Beech 1900D · Integrated Flight System
  > FLT NR 1203 - AFTER TAKEOFF, IT WAS NOTICED THAT THE RIGHT EHSI FAILED IN FLT AND THE CREW DECIDED TO TURN BACK TO MKE. MAINTENANCE REPAIRED WIRE NR J095002-J598013 AND OPERATIONAL CHECKED GOOD. (M)
- [SDR S2YA960011](https://openairdocs.org/sdr/S2YA960011.md): Mic-Switch · stuck · Jun 9, 1996 · N891SK · Beech 1900D · Audio Integrating System
  > THE CREW OF FLT 1906 MKE-SDF, FOUND THEY HAD A STUCK CAPTAINS MIC-SWITCH IN THE 'ON' POSITION. THEY DECIDED TO TURNBACK TO MKE AND HAVE MX LOOK AT IT. THEY DEFERRED THE SWITCH BY DISABLING IT PER MEL GUIDELINES. THE SWITCH WAS LATER REPLACED. (M)
- [SDR S2YA960005](https://openairdocs.org/sdr/S2YA960005.md): Instr Air Valve · inoperative · May 13, 1996 · N891SK · Beech 1900D · Pneumatic Distribution System
  > MKE - FLT 1906 - AFTER FLIGHT CREW DEPARTED, THEY NOTICED THE LEFT BLEED AIR FAIL ANNUNCIATOR ILLUMINATED AND STAYED ON. THE RIGHT BLEED AIR FAIL ANNUNCIATOR WAS ALREADY DEFERRED SO THEY TURNED BACK TO MKE. MAINTENANCE COULD NOT DUPLICATE THE LEFT BLEED FAIL
- [SDR S2YA960004](https://openairdocs.org/sdr/S2YA960004.md): Duct · cracked · Mar 29, 1996 · N891SK · Beech 1900D · Air Distribution System
  > DURING A SCHEDULED INSPECTION, MAINTENANCE FOUND BLEED AIR DUCT, P/N 129-550051-1, CRACKED ALL AROUND THE BASE OF THE ACM OVERTEMPERATURE SENSOR WELD FITTING. THE PART WAS REPLACED. SUBMITTER STATES,WE HAVE NOW HAD THREE OCCURENCES ON DIFFERENT AIRCRAFT, SAM
- [SDR S2YA950001](https://openairdocs.org/sdr/S2YA950001.md): Angle · cracked · Apr 28, 1995 · N891SK · Beech 1900D · Ventral Structure
  > DURING AN INSPECTION, MAINTENANCE FOUND A 1.50 INCH CRACK ON THE ATTACH ANGLES OF BOTH THE LT AND RT VENTRAL FINS. THE LOCATION IS BELOW THE AFT PRESSURE BULKHEAD, FS 557.50 AND IS CAUSED BY THE LACK OF SHIMMING AT THE SKIN OVERLAP. THE CRACKS WERE REPAIRED.
- [SDR 95ZZZX2481](https://openairdocs.org/sdr/95ZZZX2481.md): Torque Tube · loose rivets · Apr 7, 1995 · N891SK · Beech 1900D · Elevator Control System
  > DISCOVERED LOOSE RIVETS ON LEFT ELEVATOR TORQUE TUBE DURING UNSCHEDULED MAINTENANCE ON TAIL. MAINTENANCE REMOVED AND REPLACED THE TORQUE TUBE ASSEMBLY.
- [SDR 95ZZZX2482](https://openairdocs.org/sdr/95ZZZX2482.md): Torque Tube · loose rivets · Feb 6, 1995 · N891SK · Beech 1900D · Elevator Control System
  > RIGHT ELEVATOR TORQUE TUBE ASSEMBLY FOUND TO HAVE LOOSE RIVETS AT THE ELEVATOR ATTACH BRACKET. THE PROBLEM WAS FOUND AT A DETAIL NR 6 AND THE RIVETS WERE REMOVED AND REPLACED.

## 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 = 'N891SK' AND deregistration_id = 'N891SK-2008-01-15'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N891SK-2008-01-15/reports

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