# Service difficulty reports: N779LF A list on [N779LF](https://openairdocs.org/aircraft/N779LF.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 2A6R2025013072203](https://openairdocs.org/sdr/2A6R2025013072203.md): Deck Plate · chafed · Jan 30, 2025 · N779LF · Bolkms BK117C2 · Fuselage Main, Structure > CHAFE DAMAGE WAS DISCOVERED ON THE TRANSMISSION DECK LH BEAM CAP (PN: B533K3202-201) BY A MEDICAL INTERIOR PANEL SCREW. AN APPROVED REPAIR PROCEDURE WAS COMPLIED WITH PER AIRBUS REPAIR DESIGN APPROVAL SHEET RDAS-BK117-53-2024-3189, ISSUE A DATED 16 OCT 2024, - [SDR 2A6R2025013072202](https://openairdocs.org/sdr/2A6R2025013072202.md): Deck Plate · dented · Jan 30, 2025 · N779LF · Bolkms BK117C2 · Fuselage Main, Structure > DENT DAMAGE WAS DISCOVERED ON THE RH ENGINE DECK PANEL (PN: B533K3339-213) THROUGH TO THE RH ENGINE MOUNT INBOARD SUPPORT BEAM (PN: B533K3316-207). AN APPROVED REPAIR PROCEDURE WAS COMPLIED WITH PER AIRBUS REPAIR DESIGN APPROVAL SHEET RDAS-BK117-53-2024-3426 - [SDR 2A6R2025013072201](https://openairdocs.org/sdr/2A6R2025013072201.md): Floor Panel · chafed · Jan 30, 2025 · N779LF · Bolkms BK117C2 · Fuselage Floor Panel > CHAFE DAMAGE WAS DISCOVERED ON THE COCKPIT FLOOR (PN: B531M8002101) WHERE THE SLANT CONSOLE MEETS THE COCKPIT FLOOR. AN APPROVED REPAIR PROCEDURE WAS COMPLIED WITH PER AIRBUS REPAIR DESIGN APPROVAL SHEET RDAS-BK117-53-2024-3227, ISSUE A DATED 17 OCT 2024, WHI - [SDR QMLA2024091120111](https://openairdocs.org/sdr/QMLA2024091120111.md): Unknown · fumes · Sep 10, 2024 · N779LF · Bolkms BK117C2 · Air Distribution System > SHORTLY AFTER TAKEOFF STARTED TO SMELL FUMES IN THE CABIN. - [SDR QMLA2019042549041](https://openairdocs.org/sdr/QMLA2019042549041.md): Skin · cracked · Apr 24, 2019 · N779LF · Bolkms BK117C2 · Rotorcraft Tail Boom > DURING A SCHEDULED MAINTENANCE EVENT, A CRACK WAS DISCOVERED ON TOP OF THE TAIL BOOM. THIS AIRCRAFT REMAINS OOS AT THE TIME OF THIS SUBMISSION AWAITING THE APPROVED REPAIR. - [SDR QMLA2017120717137](https://openairdocs.org/sdr/QMLA2017120717137.md): Stiffener · corroded · Dec 6, 2017 · N779LF · Bolkms BK117C2 · Fuselage Miscellaneous Structure > WHILE REMOVING THE VIBRATION DAMPER UNDER PILOTS SEAT FOUND STIFFENER ASSEMBLY CORRODED THAT THE VIBRATION DAMPER ATTACHES TO. - [SDR QMLA2017092117098](https://openairdocs.org/sdr/QMLA2017092117098.md): Drain · clogged · Sep 21, 2017 · N779LF · Bolkms BK117C2 · Engine (Turbine/Turboprop) > DURING ZONE INSPECTIONS, PULLED OFF THE VENT LINE GOING FROM RIGHT SIDE OF THE NR 1 ENGINE TO THE ENGINE DECK. FOUND THAT THE DRAIN COLLECTOR WAS CLOGGED WITH DEBRIS ON THE RIGHT SIDE OF THE Y-FITTING. - [SDR QMLA2012111212182](https://openairdocs.org/sdr/QMLA2012111212182.md): Blade · cracked · Nov 12, 2012 · N779LF · Bolkms BK117C2 · Main Rotor Blades > AFTER REMOVAL OF BLADE FITTINGS FOR NDT, CRACK DETECTED IN GRIP AREA. T - [SDR QMLA2012111212181](https://openairdocs.org/sdr/QMLA2012111212181.md): Blade · cracked · Nov 12, 2012 · N779LF · Bolkms BK117C2 · Main Rotor Blades > AFTER REMOVAL OF BLADE FITTINGS FOR NDT, CRACK DETECTED IN GRIP AREA. - [SDR QMLA2012111212180](https://openairdocs.org/sdr/QMLA2012111212180.md): Blade · cracked · Nov 12, 2012 · N779LF · Bolkms BK117C2 · Main Rotor Blades > AFTER REMOVAL OF BLADE FITTINGS FOR NDT, CRACK DETECTED IN GRIP AREA. - [SDR QMLA2012083012143](https://openairdocs.org/sdr/QMLA2012083012143.md): Starter Gen · malfunctioned · Aug 30, 2012 · N779LF · Bolkms BK117C2 · Starter-Generator > GENERATOR DISCONNECT LIGHT CAME ON FOR THE NR 1 GENERATOR. LANDED WITHOUT INCIDENT UNDER POWER FROM BOTH ENGINES. SWAPED STARTER/GENERATOR FROM SIDE TO SIDE. FOUND ISSUED FOLLOWED GENERATOR. - [SDR QMLA2012081112132](https://openairdocs.org/sdr/QMLA2012081112132.md): Engine · making metal · Aug 11, 2012 · N779LF · Bolkms BK117C2 · Engine (Turbine/Turboprop) > 20 MINUTES INTO FLIGHT, THE NR 2 ENGINE CHIP LIGHT ILLUMINATED. ACTIVATED THE FUZZ BURNER FOR APPROX 1 SECOND AND THE LIGHT EXTINGUISHED. APPROX 1 SECOND LATER THE CHIP LIGHT ILLUMINATED AGAIN. ACTIVATED THE FUZZ BURNER AGAIN AND LIGHT EXTINGUISHED. APPRO - [SDR QMLA2011112611113](https://openairdocs.org/sdr/QMLA2011112611113.md): Gearbox · making metal · Nov 26, 2011 · N779LF · Bolkms BK117C2 · Tail Rotor Gearbox > UPON SEVERAL ATTEMPTS TO BALANCE THE TAIL BLADE ASSY, THE MECHANIC HAD NUMEROUS CHIP LIGHT EVENTS. THE LAST INSPECTION OF THE CHIP PLUG FOUND NUMEROUS FLAKES TO DEEM THE TAIL ROTOR GEARBOX AS UNAIRWORTHY. TAIL ROTOR GEARBOX WAS REPLACED AND THE ACFT WAS RETU - [SDR QMLA2011060711066](https://openairdocs.org/sdr/QMLA2011060711066.md): Transmission · making metal · Jun 7, 2011 · N779LF · Bolkms BK117C2 · Main Rotor Gearbox > TRANSMISSION CHIP LIGHT ILLUMINATED IN FLIGHT, THIS WAS THE 4TH CHIP LIGHT EVENT WITHIN THE PREVIOUS SEVERAL MONTHS. PREVIOUS CHIP EVENTS WERE FUZZ REQUIRING NO FURTHER ACTION, CHIP EVENT ON 6/07/11 REQUIRED TRANSMISSION CHANGE IAW AMM 63-41-00 6-2. TRANSMISS - [SDR QMLA2011050611054](https://openairdocs.org/sdr/QMLA2011050611054.md): Blade · damaged · May 6, 2011 · N779LF · Bolkms BK117C2 · Main Rotor Blades > DURING THE PILOTS PRE FLIGHT, FOUND THAT THE TRIMMING SURFACE ON THE YELLOW BLADE WAS MISSING. UPON INSPECTION FOUND THE TWO RIVET HOLES, WHERE THE RIVETS HELP HOLD THE TRIMMING SURFACE TO THE BLADE, WAS IN ALMOST PERFECT CONDITION. SENT MAIN ROTOR BLADE TO AM - [SDR QMLA2010090910058](https://openairdocs.org/sdr/QMLA2010090910058.md): Wire Harness · chafed · Sep 9, 2010 · N779LF · Bolkms BK117C2 · Fire Protection System Wiring > FIRE EXT WARNING LIGHT ILLUMINATED ON CAD DISPLAY. AFTER INSP OF A/C FOUND, CHAFED WIRES. THE WIRE'S WERE LOCATED JUST AFT OF THE CO-PILOT'S SEAT. IN THE CABIN OVERHEAD, JUST INSIDE OF CABIN DOOR AREA. THEY WERE CHAFING AGAINST AN AIR CONDITIONING LINE. THE - [SDR QMLA2010071810038](https://openairdocs.org/sdr/QMLA2010071810038.md): Unknown · odor · Jul 18, 2010 · N779LF · Bolkms BK117C2 · Air Distribution System > ENROUTE, CREW NOTICED A STRONG ELECTRICAL BURNING ODOR. A FEW MOMENTS LATER, COULD SMELL THE FUMES. ASKED IF THERE WAS ANY SMOKE OR FIRE. NONE DETECTED. DIVERTED, OPENED PILOT SIDE SLIDING WINDOW FOR FRESH AIR AND WITHIN 10 SECONDS, A STRONG ODOR OF JET FUEL E - [SDR QMLA2010071110033](https://openairdocs.org/sdr/QMLA2010071110033.md): Attach Bracket · cracked · Jul 11, 2010 · N779LF · Bolkms BK117C2 · Fuselage Main, Attach Fittings > UPON FINAL APPROACH INTO LANDING, CREW NOTICED ONE OF THE LANDING LIGHTS WOBBLEING UNDERNEATH THE ACFT. UPON SHUTDOWN, RT REAR LANDING LIGHT HAD BROKEN FREE FROM ITS MOUNT AND WAS HANGING BY A SINGLE WIRE. MECHANIC CALLED IN TO REPAIR. VISUAL INSP REVEALED RT - [SDR QMLA2010060510020](https://openairdocs.org/sdr/QMLA2010060510020.md): Torque Box · malfunctioned · Jun 5, 2010 · N779LF · Bolkms BK117C2 · Engine BMEP/Torque Indicating > NR 2 ENGINE TORQUE SYS FAILURE. ## 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 = 'N779LF' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N779LF/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.