# Service difficulty reports: N131AE A list on [N131AE](https://openairdocs.org/aircraft/N131AE.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR Z9B2003F00001](https://openairdocs.org/sdr/Z9B2003F00001.md): Transmission · making metal · Dec 20, 2002 · N131AE · Bolkms BO105S · Main Rotor Gearbox > METAL IN OIL RESULTING IN CHIP WARNING INDICATIONS. OIL FILTER CONTAINED BARASS AND IRON FINE FLAKES AND SLIVERS. SENT TO FACTORY REPAIR STATION FOR ANALYSIS AND REPAIR. - [SDR Z9B2003F00002](https://openairdocs.org/sdr/Z9B2003F00002.md): Brushes · worn · Dec 17, 2002 · N131AE · Bolkms BO105S · Starter-Generator > STARTER GEN, AT 100 HOUR INSPECTION FOUND COMMUTATOR WORN DOWN TO UNDERCUT, BRUSHES STILL SERVICEABLE. MAY NOT HAVE BEEN PROPERLY UNDERCUT AT LAST OVERHAUL. - [SDR HEEA065175](https://openairdocs.org/sdr/HEEA065175.md): Pump · noisy · Nov 15, 1999 · N131AE · Bolkms BO105S · Fuel Boost Pump > FUEL BOOST PUMP RUNS LOUD, LOW PRESSURE. - [SDR HEEA0016697](https://openairdocs.org/sdr/HEEA0016697.md): Starter · failed · Nov 6, 1998 · N131AE · Bolkms BO105S · Starter-Generator > STARTER/GENERATOR DOES NOT START. - [SDR HEEA0015873](https://openairdocs.org/sdr/HEEA0015873.md): Indicator · malfunctioned · Aug 27, 1998 · N131AE · Bolkms BO105S · Main Rotor Indicating System > NR 1 ENGINE'S N2 NEEDLE STICKING. - [SDR HEEA0015775](https://openairdocs.org/sdr/HEEA0015775.md): Indicator · failed · Aug 26, 1998 · N131AE · Bolkms BO105S · Main Rotor Indicating System > NR 1 AND NR 2 NEEDLE STICKING, ROTOR NEEDLE INOPERATIVE. - [SDR HEEA0015622](https://openairdocs.org/sdr/HEEA0015622.md): Indicator · inoperative · Aug 17, 1998 · N131AE · Bolkms BO105S · Engine Oil Indicating System > INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DIDN'T WORK. - [SDR HEEA0015488](https://openairdocs.org/sdr/HEEA0015488.md): Inertia Reel · failed · Jul 30, 1998 · N131AE · Bolkms BO105S · Flight Compartment Equipment > INTERTIA REEL WILL NOT RETRACT AND RELEASE. CABLE FRAYED. - [SDR HEEA0014706](https://openairdocs.org/sdr/HEEA0014706.md): Indicator · fluctuates · Jun 10, 1998 · N131AE · Bolkms BO105S · Engine Fuel Indicating System > MAIN AND SUPPLY NEEDLES FLUCTUATES. - [SDR HEEA0014637](https://openairdocs.org/sdr/HEEA0014637.md): Compass · leaking · Jun 8, 1998 · N131AE · Bolkms BO105S · Magnetic Compass > MAG COMPASS UNIT LEAKS AND BULB COVER IS MISSING. - [SDR HEEA0014011](https://openairdocs.org/sdr/HEEA0014011.md): Tube Assy · worn · Apr 21, 1998 · N131AE · Bolkms BO105S · Turbine Engine Accessory Drive > ENGINE REMOVED DUE TO METAL. INSPECTION OF GEARBOX PARTS REVEALED: TUBE ASSY. FAILED DIMENSIONAL CHECK PER CEB1307. INSTALLED A NEW TUBE. - [SDR HEEA0013994](https://openairdocs.org/sdr/HEEA0013994.md): Nozzle Shield · cracked · Apr 21, 1998 · N131AE · Bolkms BO105S · Turbine Section > ENGINE REMOVED DUE TO TURBINE CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE SHIELD INNER BAND AS MARKED AND CRACK AT POSITIONING LUGS AS MARKED. - [SDR HEEA0012977](https://openairdocs.org/sdr/HEEA0012977.md): Hyd Pump · failed · Feb 10, 1998 · N131AE · Bolkms BO105S · Hydraulic Pump (Electric/Engine), Main > HYD PUMP NOT MAKING MINIMUM PRESSURE. - [SDR HEEA0012684](https://openairdocs.org/sdr/HEEA0012684.md): Indicator · failed · Jan 26, 1998 · N131AE · Bolkms BO105S · Engine EGT/TIT Indicating System > TOT INDICATOR LOW OR NO INDICATION. - [SDR HEEA0012682](https://openairdocs.org/sdr/HEEA0012682.md): Indicator · erratic · Jan 26, 1998 · N131AE · Bolkms BO105S · Engine EGT/TIT Indicating System > TOT INDICATOR READING IS ERRATIC. - [SDR HEEA0012578](https://openairdocs.org/sdr/HEEA0012578.md): Nozzle · cracked · Jan 13, 1998 · N131AE · Bolkms BO105S · Turbine Section > ENGINE REMOVED DUE TO OIL STARVATION. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE INNER BAND THROUGH DIAPHRAGM BRONZE FILLET AS MARKED. - [SDR HEEA0012419](https://openairdocs.org/sdr/HEEA0012419.md): Internal Sump · making metal · Jan 2, 1998 · N131AE · Bolkms BO105S · Turbine Engine Oil System > ENGINE REMOVED DUE TO METAL IN OIL. UPON INSPECTION OF TURBINE PARTS NOTED: ERODED BEYOND SERVICEABLE LIMITS ON INTERNAL SUMP SEALS AND CRACKED. - [SDR HEEA0011852](https://openairdocs.org/sdr/HEEA0011852.md): Gps 150 · failed · Nov 10, 1997 · N131AE · Bolkms BO105S · Global Positioning System > GPS INTERNAL BATTERY DEAD. - [SDR HEEA979054](https://openairdocs.org/sdr/HEEA979054.md): Transceiver · failed · Feb 11, 1997 · N131AE · Bolkms BO105S · VHF Communications System > UNABLE TO TRANSMIT, RECEIVES GARBLED. - [SDR HEEA967350](https://openairdocs.org/sdr/HEEA967350.md): Antenna · defective · Jun 5, 1996 · N131AE · Bolkms BO105S · Ground Proximity System > TROUBLESHOOTING;ANTENNA INTERMITTENTLY INOPERATIVE. - [SDR HEEA967144](https://openairdocs.org/sdr/HEEA967144.md): Antenna · defective · May 8, 1996 · N131AE · Bolkms BO105S · Ground Proximity System > RADAR ALT ANTENNA HAS ERRATIC SIGNAL AND IS INTERMITTENT. - [SDR HEEA966940](https://openairdocs.org/sdr/HEEA966940.md): Output Shaft · paint peel · Apr 8, 1996 · N131AE · Bolkms BO105S · Tail Rotor Gearbox > OUTPUT SHAFT PAINT IS PEELING. - [SDR HEEA966686](https://openairdocs.org/sdr/HEEA966686.md): Transceiver · failed · Feb 12, 1996 · N131AE · Bolkms BO105S · VHF Communications System > GUARD LIGHT STAYS ON, CAN'T TRANSMIT OR RECEIVE ON GUARD FREQUENCY WHEN CONTROL UNIT SWITCHED ON CHANNEL 2-15. VERIFIED GUARD RECEIVER VERY INTERMITTENT. TROUBLESHOT AND REPAIRED COLD SOLDIER JOINT ON J11 OF GUARD RECEIVER BOARD. ADJUSTED FREQUENCY AND MIC G ## 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 = 'N131AE' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N131AE/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.