# Service difficulty reports: Lycoming LTS-101 600A series

A list on [Lycoming LTS-101 600A series](https://openairdocs.org/engine/lycoming-lts-101-600a-series.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2019F00099](https://openairdocs.org/sdr/2019F00099.md): Line · ruptured · Aug 8, 2018 · Snias AS350BA · Turbine Engine Oil System
  > PRIMARY OIL LINE FROM ENGINE RUPTURED SOON AFTER TAKE OFF. PILOT NOTICED OIL PRESSURE LIGHT, AND IMMEDIATLY RETURNED TO BASE. UPON LANDING OIL PRESSURE GAUGE AND TORQUE METER READ ZERO. EXAMINATION OF REMAINING OIL LINE SHOWED SLIGHT PIMPLES ALONG LENGTH OF TH
- [SDR QMLA2014050614050](https://openairdocs.org/sdr/QMLA2014050614050.md): Fuel Line · broken · May 6, 2014 · N222AM · Bell 222U · Fuel Controlling System
  > WHILE IN CRUISE FLIGHT, THE NR 1 ENG BEGAN RUNNING ERRATICALLY & THE NP WAS ATTEMPTING TO OVER SPEED. THE PILOT WAS ABLE TO ARREST THE ENG POWER BY MANUALLY RETARDING THE NG CONTROL TWIST GRIP. MADE AN UNEVENTFUL LANDING AT KBVU. MADE AN INITIAL VISUAL INSP
- [SDR HEEA109824](https://openairdocs.org/sdr/HEEA109824.md): Actuator · malfunctioned · Jun 17, 2006 · N6992 · Bell 222U · Compressor Bleed Control
  > ENROUTE TO PICK UP PATIENT, HEARD POPPING NOISE FROM THE NR 1 ENGINE SIDE. RETURNED TO BASE AND CREW WENT BY FIXED WING. REPLACED ACTUATOR. BENCH CHECK REVEALS AT 60 PSI WITH ACTUATOR HOT EXHIBITS VERY RATCHETY OPERATION.
- [SDR HEEA109823](https://openairdocs.org/sdr/HEEA109823.md): Actuator · malfunctioned · Jun 16, 2006 · N6992 · Bell 222U · Compressor Bleed Control
  > ENROUTE TO PICK UP PATIENT, PILOT AND CREW HEARD 3 SHARP LOUD NOISES FROM TOP OF AIRCRAFT WITHIN 10 MINUTES. DIVERTED TO NEAREST AIRPORT AND LANDED WITHOUT FURTHER INCIDENT. ADJUSTED ACTUATOR RANGE.
- [SDR CA051209002](https://openairdocs.org/sdr/CA051209002.md): Pipe · mislocated · Dec 8, 2005 · Snias AS350D · Engine Bleed Air System
  > (CAN) THE BLEED AIR HEATER PIPE WAS DISCOVERED LOOSE DURING A WINTER TEAR DOWN INSPECTION. THE CRIMPED COLLAR CAME LOOSE AND ALLOWED THE PIPE TO SLIDE OUT OF THE B-NUT. (TC NR 20051209002)
- [SDR CA050718013](https://openairdocs.org/sdr/CA050718013.md): Cage · failed · Jul 12, 2005 · Snias AS350D · Turbine Engine Accessory Drive
  > THE ENGINE WAS REMOVED FROM THE A/C AFTER TWO CHIP LIGHT EVENTS. WHILE DISSASSEMBLING, THE ENGINE GEARBOX, A BEARING ROLLER FELL OUT ON TO THE WORK BENCH. FURTHER EXAMINATION REVEALED THAT THE CAGE INSIDE THE NR 4 BEARING HAD COMPLETELY SPLIT IN HALF.
- [SDR CA041115006](https://openairdocs.org/sdr/CA041115006.md): Housing · damaged · Nov 11, 2004 · Snias AS350D · Hydraulic Pump (Electric/Engine), Main
  > (CAN) DURING A ROUTINE 100 HRS INSPECTION, IT WAS NOTICED THAT THE HYDRAULIC FILTER WAS CONTAMINATED WITH NON-FERROUS METAL SHAVINGS. THE PUMP HOUSING IS MADE OF ALUMINIUM THEREFORE WE SUSPECT THE GEAR ROTORS STARTED TO WEAR THROUGH THE SOFTER HOUSING.THE PUMP
- [SDR CA040929003](https://openairdocs.org/sdr/CA040929003.md): Rod End · separated · Sep 27, 2004 · Snias AS350D · Main Rotor Control
  > (CAN) VIBRATION ANALYSIS EQUIPMENT WAS INSTALLED ON THE AIRCRAFT AFTER THE PILOT COMPLAINED IT WAS GETTING ROUGH. THE FIRST FLIGHT REVEALED THE A/C WAS INDEED ROUGH AND WHEN A PITCH LINK ADJUSTMENT WAS MADE, THE LOWER ROD END ON THE BLUE PITCH LINK WAS FOUND T
- [SDR BAQA089758](https://openairdocs.org/sdr/BAQA089758.md): Actuator · failed · Oct 7, 2003 · N5405G · Bolkms BK117B1 · Engine Air Intake System
  > ACTUATOR ONLY LASTED 67.1 HOURS SINCE OVERHAUL. TORQUE AND N1 FLUCTUATING. HARD CARD ENCLOSED. REPLACED WITH SERVICEABLE UNIT. 10/22/03
- [SDR BAQA089240](https://openairdocs.org/sdr/BAQA089240.md): Module · failed · Sep 19, 2003 · N277LF · Bell 222U · Engine BMEP/Torque Indicating
  > ENGINE TORQUE FLUCTUATES. REPLACED WITH SERVICEABLE UNIT. 9/29/03
- [SDR 2003FA0000711](https://openairdocs.org/sdr/2003FA0000711.md): Gear · worn · Jul 1, 2003 · Accessory Gearboxes
  > NEW PART INSTALLED ON ENGINE LE-43133 DURING REPAIR. WHILE INVESTIGATING THE CAUSE OF AGB VIBRATION, IT WAS NOTED THAT THE OUTPUT GEAR MENTIONED IN BLOCK 5 HAD ABNORMAL WEAR FOR A NEW PART. THE GEAR IN QUESTION WAS REMOVED FROM THE ENGINE AND RETURNED TO THE
- [SDR BAQA085943](https://openairdocs.org/sdr/BAQA085943.md): Indicator · intermittent · Apr 10, 2003 · N952CJ · Bolkms BK117A3 · Tail Rotor Drive Indicating System
  > ROTOR TACH INTERMITTENT. REPLACED WITH SERVICEABLE UNIT. 4/10/03
- [SDR BAQA085203](https://openairdocs.org/sdr/BAQA085203.md): Governor · split · Mar 20, 2003 · N952CJ · Bolkms BK117A3 · Turbine Governor
  > 20 PERCENT TORQUE SPLITS. REPLACED WITH SERVICEABLE UNIT.
- [SDR BAQA084838](https://openairdocs.org/sdr/BAQA084838.md): Control Unit · inoperative · Feb 27, 2003 · N213AE · Bolkms BK117B1 · Autopilot System
  > YAW CSAS WILL NOT COME ON LINE. REPLACED WITH SERVICEABLE UNIT.
- [SDR KBMA115460](https://openairdocs.org/sdr/KBMA115460.md): Governor · failed · Sep 5, 2002 · N270SH · Snias AS350BA · Turbine Governor
  > GOVENOR FAILURE DURING FLIGHT. ENGINE DECELERATED TO 60 PERCENT NG. FOUND GOVERNOR BEARING ROUGH AND PHENOLIC GEAR DRIVE SHEARED DRIVE SPLINES. INSTALLED NEW UNIT, GROUND RUN AND OPS FLIGHT PREFORMED AND FOUND SATISFACTORY.
- [SDR R7MR35529](https://openairdocs.org/sdr/R7MR35529.md): Battery · leaking · Jul 26, 2002 · N71703 · Bolkms BK117B1 · Battery/Charger System
  > REJECTED NEW OUT OF BOX. DRAWS EXCESSIVE CURRENT ON TOPPING CHARGE. OOZED. SOME LIQUID FROM VENT TUBES. BATTERY BECAME EXTREMELY HOT! REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (DISCREPANT UNIT DROP SHIPPED TO NC2)
- [SDR R7MR102435222](https://openairdocs.org/sdr/R7MR102435222.md): Transmitter · inoperative · Jul 6, 2002 · N350RM · Snias AS350D · Engine Oil Pressure
  > ENGINE OIL PRESSURE TRANSMITTER INOPERTIVE. NO OIL PRESSURE INDICATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR 2002F00643](https://openairdocs.org/sdr/2002F00643.md): Blade · cracked · Jun 25, 2002 · N117US · Bolkms BK117B1 · Tail Rotor Blades
  > BLADE CRACKED, SKETCH
- [SDR R7MR102435220](https://openairdocs.org/sdr/R7MR102435220.md): Transmitter · inoperative · Jun 7, 2002 · N350RM · Snias AS350D · Engine Oil Pressure
  > ENGINE OIL PRESSURE TRANSMITTER INOPERATIVE, NO OIL PRESSURE NDICATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR707735204](https://openairdocs.org/sdr/R7MR707735204.md): Antenna · inoperative · Jun 6, 2002 · N420MB · Bolkms BK117A3 · Weather Radar System
  > WEATHER RADAR ANTENNA INOPERATIVE, HEADING ERROR MESSAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR TI12002F00001](https://openairdocs.org/sdr/TI12002F00001.md): Connector · corroded · May 13, 2002 · N117TX · Bolkms BK117B1 · Hydraulic Power System Wiring
  > INTERMITTENT ILLUMINATION OF MASTER CAUTION LIGHT ALONG WITH HYD 2 WARNING LIGHT. NO FEEDBACK OR FLIGHT CONTROL ABNORMALITIES WEAR NOTED. HYDRAULIC PRESSURE WAS NORMAL AND STEADY. MASTER CAUTION WAS RESET AND HYD 2 LIGHT ILLUMINATED AGAIN, WITH PRESSURE FLU
- [SDR R7MR103535241](https://openairdocs.org/sdr/R7MR103535241.md): Bearing · worn · Apr 15, 2002 · N792LF · Snias AS350B · Tail Rotor Head
  > ELASTOMERICS OF BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, FROM EACH KIT CORRECTED PROBLEM. 4 HALF SHELLS EQUAL 1 KIT.
- [SDR R7M2002F00023](https://openairdocs.org/sdr/R7M2002F00023.md): Battery · discharged · Mar 7, 2002 · N625MB · Bolkms BK117A4 · Battery/Charger System
  > LEAD ACID BATTERY HAS WEAK POWER OUTPUT. VOLTAGE DROPS TO 15-16 VOLTS DURING STARTS AND SHOWS A CONSTANT HIGH RATE OF CHARGE IN-FLIGHT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR35348](https://openairdocs.org/sdr/R7MR35348.md): Transducer · inoperative · Feb 15, 2002 · N527RM · Bolkms BK117A4 · Engine BMEP/Torque Indicating
  > PRESSURE TRANSDUCER, UNIT INOPERATIVE. CAUSES GAUGE TO SPIN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR R7MR35085](https://openairdocs.org/sdr/R7MR35085.md): Battery · faulty · Jan 29, 2002 · N61LF · Bolkms BK117B1 · Battery/Charger System
  > BATTERY WILL NOT HOLD CHARGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- [SDR UNF2001F00000](https://openairdocs.org/sdr/UNF2001F00000.md): Bolt · worn · Nov 5, 2001 · N29KH · Bell 222 · Fuselage Miscellaneous Structure
  > FOUND METAL TO METAL FRETTING WEAR AND MAKING MUD ON BOTTOM SIDE OF WING (222-031-800-101). BOLTS LOOSE ENOUGH TO ALLOW LOWER SKIN ON WING TO CAUSE SEVERE CHAFING DAMAGE BETWEEN LOWER WING SKINS (222-030-812-135/812-136) AND FUSELAGE STRUCTURAL SKINS (222-030
- [SDR UNF2001F00001](https://openairdocs.org/sdr/UNF2001F00001.md): Bolt · loose · Nov 5, 2001 · N29KH · Bell 222 · Fuselage Miscellaneous Structure
  > FOUND METAL TO METAL FRETTING WEAR AND MAKING MUD ON BOTTOM SIDE OF WING (22-031-800-101). BOLTS LOOSE ENOUGH TO ALLOW LOWER SKIN ON WING TO CAUSE SEVERE CHAFING DAMAGE BETWEEN LOWER WING SKINS (222-030-812-135/812-136) AND FUSELAGE STRUCTURAL SKINS (222-030-
- [SDR 2001FA0000312](https://openairdocs.org/sdr/2001FA0000312.md): Modulator · loose · Sep 19, 2001 · N7059N · Bolkms BK117B2 · Engine Air Intake System
  > WHILE TROUBLESHOOTING ENGINE FOR SURGING PROBLEM. AIRFLOW MODULATOR WAS CHANGED. FILTER ELBOW HAS TO BE TRANSFERED TO NEW MODULATOR. FOUND FILTER SCREEN TO BE LOOSE INSIDE ELBOW AT THIS TIME. BROKEN FILTER HAD NO EFFECT ON THIS SURGING PROBLEM. MUST INSPE
- [SDR TI1R001496](https://openairdocs.org/sdr/TI1R001496.md): Gyro · defective · Jun 29, 2001 · N217MC · Bolkms BK117B1 · Directional Gyro and Indicating System
  > SEVERE TAIL ROTOR OSCILLATION. REMOVED AND REPLACED
- [SDR CA010704002](https://openairdocs.org/sdr/CA010704002.md): Accumulator · cracked · Jun 28, 2001 · Snias AS350D · Engine (Turbine/Turboprop)
  > (CAN) ENGINE DROOPED AT HIGH POWER SETTINGS. COMPLETE AIR SYSTEM WAS CHECKED FOR LEAKS. NO LEAKS WERE FOUND AT FITTINGS AND UNITS SEEMED SECURE. VISUAL INSPECTION OF ACCUMLATOR REVEALED NO APPARENT DEFECTS.GROUND RUN WAS CARRIED OUT BUT ENGINE WOULD NOT ACCELE
- [SDR CA000810015](https://openairdocs.org/sdr/CA000810015.md): Starflex · cracked · Jul 20, 2000 · Snias AS350D · Main Rotor Head
  > (CAN) STAR FOUND CRACK IN YELLOW. P STAR FLEX 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 engine_model_key = 'LTS101600A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-lts-101-600a-series/reports

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