# Service difficulty reports: N35SZ, cancelled May 28, 2010

A list on [N35SZ, cancelled May 28, 2010](https://openairdocs.org/deregistered/N35SZ-2010-05-28.md).

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

- [SDR NSVA20070175](https://openairdocs.org/sdr/NSVA20070175.md): Computer · malfunctioned · Jul 4, 2007 · N35SZ · Saab SF340A · Integrated Flight System
  > CAPT SIDE EFIS FAILED IN FLIGHT, NO PAX ON BOARD, RETURNED TO ALB, NO OTHER PROBLEMS. REMOVED AND REPLACED NR 1 AHRS COMPUTER. OPS CHECK GOOD.
- [SDR NSVA20070174](https://openairdocs.org/sdr/NSVA20070174.md): Computer · malfunctioned · Jul 2, 2007 · N35SZ · Saab SF340A · Integrated Flight System
  > GATE RETURN FO SIDE EAADI WOULD NOT INITIALIZE. REMOVED AND REPLACED NR 2 AHRS COMPUTER WITH SERVICEABLE UNIT, PERFORMED OPS CHECKS. OPS CHECKS NORMAL.
- [SDR NSVA20070171](https://openairdocs.org/sdr/NSVA20070171.md): Warning Light · illuminated · Jul 1, 2007 · N35SZ · Saab SF340A · Central Warning
  > AFTER ENGINE START CABIN PRESSURE WARNING ANNUNCIATOR ILLUMINATED. CABIN MAX DIFF READS 7.5 WHEN CABIN NOT PRESSURIZED. PERFORMED SEVERAL STARTS, CABIN PRESS IND DID NOT ILLUMINATE, OPS CHECK GOOD EVERY TIME. COULD NOT DUPLICATE DISCREPANCY.
- [SDR NSVA20070157](https://openairdocs.org/sdr/NSVA20070157.md): Control Quadrant · defective · Jun 19, 2007 · N35SZ · Saab SF340A · Engine Controls
  > FI STOP OPEN LIGHT ILLUMINATED IN FLIGHT. REPLACED CONTROL QUADRANT IAW SAAB AMM 76-10-05, NO DISCREPANCIES NOTED, PN ON: 53162-4, SN ON: 074, PN OFF: 53082-16 SN OFF: 187.
- [SDR NSVA20070092](https://openairdocs.org/sdr/NSVA20070092.md): Trim Tab · vibration · Apr 9, 2007 · N35SZ · Saab SF340A · Elevator Tab Control System
  > FLIGHT CONTROL VIBRATIONS ON CLIMB-OUT AT VARIOUS AIRSPEEDS. FLIGHT CONTROL VIBRATIONS MAINLY ELEVATOR. INSTALLED LT ELEVATOR TRIM TAB IAW SAAB AMM 27-35-25 PN ON 7255250-503, SN ON 35, SN OFF NSN.
- [SDR NSVA20070078](https://openairdocs.org/sdr/NSVA20070078.md): Wire · broken · Mar 30, 2007 · N35SZ · Saab SF340A · Engine Indicating System Wiring
  > LEFT TORQUE READS "0" WHEN POWER IS APPLIED. ALSO FLUCTUATES AT TIMES, NOTE: AFTER APPROX 15 MINUTES RUNNING. INSPECTED LT TORQUE SENSOR AND LT ALTERNATOR UNITS FOR SECURITY AND PROPER INSTALLATION, NO OBVIOUS FAULT FOUND, REJECTED TAKEOFF. INSPECTED AND PE
- [SDR NSVA20070075](https://openairdocs.org/sdr/NSVA20070075.md): Smoke Detector · malfunctioned · Mar 26, 2007 · N35SZ · Saab SF340A · Smoke Detection
  > AVIONICS SMOKE LIGHT ILLUMINATED IN FLIGHT. DID TEST OF SMOKE DETECTORS IAW SAAB MM 26-13-00-5, OPS CHECK GOOD. DID FAULT ISOLATION OF AVIONICS SMOKE DETECTOR WITH SMOKE PRESENT AND WITHOUT. ALARM SOUNDED WHEN PRESENT AND EXTINGUISHED WHEN CLEAR, CHECKED PI
- [SDR NSVA20070047](https://openairdocs.org/sdr/NSVA20070047.md): Stop · malfunctioned · Feb 26, 2007 · N35SZ · Saab SF340A · Power Lever
  > FLIGHT IDLE STOP HAD TO BE OVERRIDDEN DURING LANDING ROLL OUT. RESET FLIGHT STOP WITH F1 REST TOOL. OPS CHECK GOOD.
- [SDR NSVA20070022](https://openairdocs.org/sdr/NSVA20070022.md): Actuator · leaking · Jan 29, 2007 · N35SZ · Saab SF340A · Gust Lock Damper System
  > FOUND RUDDER GUST LOCK WILL NOT ENGAGE. THIS RUDDER GUST LEAK ACTUATOR, VERIFIED 28 VOL AT RUDDER GUST LOCK ACTUATOR IAW SMR 27-72-00. PLACED GUST LOCK HANDLE IN DISENGAGED POSITION. REMOVED AND REPLACED RUDDER GUST LOCK ACTUATOR IAW AMM 27-72-10, P/N 8618M
- [SDR NSVA200600204](https://openairdocs.org/sdr/NSVA200600204.md): Circuit Breaker · unknown · Nov 15, 2006 · N35SZ · Saab SF340A · Flight Control System Wiring
  > RELEASED GUST LOCK AND RUDDER STAYED LOCKED. RESET C/B G/4, PERFORMED OPS GUST LOCK CK IAW AMM 27-70--00.
- [SDR 05092006B](https://openairdocs.org/sdr/05092006B.md): Scavenge Pump · malfunctioned · May 7, 2006 · N35SZ · Saab SF340A · Turbine Engine Oil System
  > RT ENGINE OIL TEMP IN RED, OIL PRESSURE 50 PSI. ALL OTHER INDICATIONS NORMAL. ON LANDING RT ENG WAS SHUTDOWN. DATA OBTAINED FROM FDR INDICATES ENGINE SHUTDOWN BY FUEL FLOW. PILOT RETARDING CONDITION LEVER TO FUEL CUT-OFF POSITION. MX DETERMINED RT ENG HIGH OI
- [SDR SF20050918](https://openairdocs.org/sdr/SF20050918.md): Warning Light · illuminated · Sep 18, 2005 · N35SZ · Saab SF340A · Engine Oil Indicating System
  > FLIGHT 7562 IAD-HPN, LT ENGINE OIL PRESSURE CWP LIGHT ILLUMINATED INTERMITTENTLY, LT ENGINE OIL PRESSURE GAGE FLUX 30-50 PSI, ALL OTHER ENGINE PARAMETERS NORMAL. POST FLIGHT FOUND NO OIL LEAKS OUTSIDE OF ENGINE COWLS OR ON WINGS.
- [SDR SF20050917](https://openairdocs.org/sdr/SF20050917.md): Warning Light · illuminated · Sep 17, 2005 · N35SZ · Saab SF340A · Engine Oil Pressure
  > FLIGHT 7582 DAY-IAD, L OIL ENG PRESS ILLUMINATED ON CWP INTERMITTENTLY, ACCOMPANIED BY LEFT ENGINE OIL PRESSURE GAUGE FLUCTUATING APPROXIMATELY 30-50 PSI. AIRCRAFT DIVERTED TO PIT. INSPECTED NR 1 ENGINE AND SERVICED WITH 2.5 QTS OIL. GROUND RAN, NO LEAKS NO
- [SDR SF20050905](https://openairdocs.org/sdr/SF20050905.md): Warning Light · illuminated · Sep 5, 2005 · N35SZ · Saab SF340A · Landing Gear Retraction/Extension System
  > FLIGHT 7539 IAD-DAY, LANDING GEAR SELECTED DOWN WITH NO GREEN LIGHT INDICATION ON NOSE WHEEL. LANDING GEAR WAS CYCLED AS PER QRH AND LIGHT REMAINED OUT. NOSE GEAR LIGHT THEN CAME ON WHILE IN HOLDING PATTERN.
- [SDR SF20050801](https://openairdocs.org/sdr/SF20050801.md): Switch · dirty · Aug 1, 2005 · N35SZ · Saab SF340A · Power Lever
  > FLIGHT 7579, FLIGHT IDLE STOP OPENED IN FLIGHT, A/C RETURNED TO FIELD. INSPECTED AND FOUND CONTROL QUADRANT MICROSWITCHES TO BE DIRTY, CLEANED MICRO-SWITCHES IAW SAAB M/M 76-10-60-2, PERFORMED OPERATIONAL CHECKS, IAW SAAB M/M 76-10-60-5, ALL OPS CHECKS GOOD.
- [SDR SF20050708](https://openairdocs.org/sdr/SF20050708.md): Warn Panel · fire warning · Jul 8, 2005 · N35SZ · Saab SF340A · Fire Detection
  > AT 2000 FT RT ENGINE CENTRAL WARNING PANEL RED FIRE LIGHT CAME ON AND FIRE BELL SOUNDED. DISCHARGED 1 BOTTLE AND SHUT DOWN ENGINE IAW QRH. ESTIMATED LANDING WEIGHT 27,000 LBS. AIRCRAFT RETURNED AND IS AWAITING MAINTENANCE.
- [SDR 20050627SF](https://openairdocs.org/sdr/20050627SF.md): Warn Panel · fire warning · Jun 27, 2005 · N35SZ · Saab SF340A · Fire Protection System
  > ON CLIMB-OUT, AIRCREW RECEIVED FIRE INDICATION ON NR 2 ENGINE. AIRCREW RETURNED.
- [SDR 225981](https://openairdocs.org/sdr/225981.md): Computer · incorrect · Jan 3, 2005 · N35SZ · Saab SF340A · Localizer/VOR System
  > BOTH VOR'S OFF CENTER LINE 2-5 MILES. ATC RECORDS 20 DEGREES OFF WHILE BOTH VOR'S SHOW CENTERED IN AIRCRAFT. HARRISBURG SHOWS CENTERLINE AT V377 WHILE ATC SHOWS 2 MILES OFF. AIRCRAFT WAS FLYING 2 MILES OFF COURSE WHEN NAVIGATING WITH BOTH VOR'S. AIRCRAFT RE
- [SDR 225922](https://openairdocs.org/sdr/225922.md): Control Panel · inoperative · Dec 29, 2004 · N35SZ · Saab SF340A · Landing Gear Selector
  > RT MLG, GREEN GEAR LIGHT INOP. WILL NOT TEST, CHANGED BULBS STILL NO FIX, LANDED PER QRH. INSPECTED AND FOUND LANDING GEAR HANDLE CONTROL PANEL TO BE INOP. REMOVED AND REPLACED LANDING GEAR HANDLE CONTROL PANEL IAW SAAB AMM 32-31-05-2, OPS CHECK AND GEAR SW
- [SDR 225622](https://openairdocs.org/sdr/225622.md): Handle · broken · Nov 23, 2004 · N35SZ · Saab SF340A · Landing Gear Retraction/Extension System
  > SELECTED GEAR DOWN & LT MLG DOWNLOCK LIGHT DID NOT ILLUMINATE. TRIED ACTUATING GEAR WITH EMERGENCY HAND PUMP, & PUMP HANDLE BROKE. PULLED EMERGENCY LANDING GEAR HANDLE & GEAR STILL SHOWED UNSAFE. PERFORMED LOW FLY-BY FOR THE TOWER TO VISUALLY CHECK IF THE G
- [SDR 121271](https://openairdocs.org/sdr/121271.md): Chip Detector · malfunctioned · Aug 26, 2004 · N35SZ · Saab SF340A · Engine Oil Indicating System
  > DURING CLIMB THE LT ENGINE CHIP DETECTOR WARNING LIGHT ILLUMINATED FOR A FEW SECONDS THEN WENT OUT. THE CREW NOTIFIED MOC AND TURNED TO GO BACK TO IAD. ON 5 MILE FINAL THE LT CHIP DETECTOR LIGHT RE-ILLUMINATED AND WOULD NOT EXTINGUISH. THE CREW FOLLOWED THE
- [SDR 071152](https://openairdocs.org/sdr/071152.md): Warning Light · illuminated · Jun 23, 2004 · N35SZ · Saab SF340A · Fire Detection
  > APPROXIMATELY 1430 (UTC), FLT 7926 IAD-ABE. THE AIRCRAFT WAS EN ROUTE TO ABE WHEN THE CREW OBSERVED THE RIGHT FIRE DETECT FAIL INDICATION, FOLLOWED BY THE RIGHT FIRE WARNING. CREW FOLLOWED QRH PROCEDURES. BOTH EXTINGUISHERS WERE USED. THE ENGINE WAS SHUTDO
- [SDR 115401](https://openairdocs.org/sdr/115401.md): Engine · malfunctioned · Apr 18, 2004 · N35SZ · Saab SF340A · Turbine Engine Oil System
  > DURING FLIGHT THE CREW RT ENGINE OIL PRESSURE DROPPED TO 30PSI WITH THE ASSOCIATED OIL PRESSURE WARNING ON THE CWP. CREW FOLLOWED THE QRH AND DIVERTED TO SCE. AFTER LANDING CREW CHECKED RH ENGINE OIL LEVEL. SIGHT GLASS SHOWED BELOW NORMAL. CREW NOTICED NO
- [SDR 102851](https://openairdocs.org/sdr/102851.md): Warning System · erratic · Mar 22, 2004 · N35SZ · Saab SF340A · Engine BMEP/Torque Indicating
  > PILOT NOTICED THE TORQUE INDICATION BEING ERATIC ON THE RT ENGINE DURING TAKEOFF ROLLOUT AT ABOUT 70 KTS. PILOT RETARDED THE THROTTLES AND RETURNED TO THE GATE.
- [SDR 102831](https://openairdocs.org/sdr/102831.md): Engine · malfunctioned · Mar 21, 2004 · N35SZ · Saab SF340A · Engine (Turbine/Turboprop)
  > DURING TAKE-OFF ROLL AT APPROXIMATELY 80-90 KNOTS THE CREW NOTICED THE RT ENGINE TORQUE FLUCTUATING FROM 70-115 PERCENT. THE CREW RETARDED THE POWER LEVERS AND ABORTED THE TAKE-OFF. A/C TAKEN OUT OF SERVICE 3-21-04 AT 1755 (LT)
- [SDR 181001](https://openairdocs.org/sdr/181001.md): Circuit Breaker · tripped · Feb 11, 2004 · N35SZ · Saab SF340A · Engine Oil Indicating System
  > ON TAKE-OFF AIRCREW NOTICED OIL PRESSURE WENT TO ZERO AND OIL TEMP WENT TO -50 DEGREES C. AIRCREW REJECTED TAKE-OFF AND RETURNED TO THE GATE. AIRCREW FOUND CIRCUIT BREAKER POPPED. MAINTENANCE DISPATCHED TO A/C
- [SDR 030971](https://openairdocs.org/sdr/030971.md): Indicator · failed · Dec 1, 2003 · N35SZ · Saab SF340A · Propeller Indication System
  > ON 12/01/03, AT 1515Z FLT 4523, AIRCRAFT ABORTED TAKEOFF WHEN THE LEFT TORQUE INDICATOR WENT TO ZERO AT V1. CREW RETURNED AIRCRAFT TO FIELD.
- [SDR 117521](https://openairdocs.org/sdr/117521.md): Indicator · sticking · Mar 30, 2003 · N35SZ · Saab SF340A · Trailing Flap Position Indicating System
  > FWA DURING APPROACH TO LAND WITH FLAPS SELECTED TO 20 DEGREES, RT FLAP INDICATED 20 DEGREES, LT INDICATED 0 CIRCLED AROUND FOR ANOTHER APPROACH RESET FLAPS 20 BOTH FLAPS INDICATED CORRECTLY WITH NO FLAP WARNING LIGHT ON THE CWP MAINTENANCE INSPECTED AIRCRAFT
- [SDR 136311](https://openairdocs.org/sdr/136311.md): Generator · malfunctioned · Feb 28, 2003 · N35SZ · Saab SF340A · AC Generator-Alternator
  > FLIGHT 4492 PIT-TTN, APPROXIMATELY 2 MINUTES AFTER STARTING THE LT ENGINE, THE LT DC GENERATOR WENT OFFLINE AND WOULD NOT RESET. A/C RETURNED TO GATE IN PIT. PIT MX INSPECTED LT DC GEN CONNECTIONS AND WIRING. PERFORMED GROUND RUN OF LT ENGINE. OPERATIONAL
- [SDR 0212271](https://openairdocs.org/sdr/0212271.md): Bulb · inoperative · Dec 27, 2002 · N35SZ · Saab SF340A · Propeller Governor
  > Flight 4456 TTN-BED. Autocoarsen failed to arm on take off. R&R'd anunciator bulbs. Lamp test good. Performed Autocoarsen test IAW SF 340A AMM 61-22-00-5. Ops check good.
- [SDR 2003F00131](https://openairdocs.org/sdr/2003F00131.md): Wheel · worn · Oct 16, 2002 · N35SZ · Saab SF340A · Wheel/Ski/Float
  > FLT 4522 - UPON LANDING AT PIT, PILOT REPORTED SEVERE NOSE WHEEL SHIMMY AT 40 KNTS UNTIL 20 KNTS. A/C FERRIED TO FWA MX BASE FOR TROUBLESHOOTING. AT FWA BOTH NOSE WHEELS CHANGED, NO FURTHER DEFECTS NOTED. A/C RETURNED TO SERVICE. (M)

## 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 = 'N35SZ' AND deregistration_id = 'N35SZ-2010-05-28'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N35SZ-2010-05-28/reports

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