# Service difficulty reports: N77 A list on [N77](https://openairdocs.org/aircraft/N77.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR RU3A202606250249](https://openairdocs.org/sdr/RU3A202606250249.md): Cooling Fan · arced · Jun 16, 2026 · N77 · Beech 300BEECH · Air Distribution Fan > DURING FLIGHT INSPECTION AT KSAV IN N77 ALL CREW MEMBERS ACKNOWLEDGED SIGNIFICANT EYE IRRITANT PRESENT. MYSELF AND MS HAD WATERING PRESENT IN EYES, SIC ACKNOWLEDGE EYES BURNING. I DECLARED AN EMERGENCY WITH SAV APPROACH AND WAS GIVEN AN IMMEDIATE CLEARANCE - [SDR RU3A2019111202062](https://openairdocs.org/sdr/RU3A2019111202062.md): Fuel Cap · obstructed · Nov 1, 2019 · N77 · Beech 300BEECH · Fuel Storage > CREW NOTICED FUEL STREAMING FROM THE RIGHT MAIN FUEL CAP. MAINTENANCE FOUND RIGHT HAND FUEL CAP LANYARD ON TOP OF FLANGE. LANYARD WAS REMOVED FROM FLANGE, CAP WAS SECURED DOWN INTO FILLER NECK. NO TREND. - [SDR RU3A20190425014](https://openairdocs.org/sdr/RU3A20190425014.md): Tcas System · failed · Apr 25, 2019 · N77 · Beech 300BEECH · Air Collision Avoidance System > HEARD POPPING NOISE IN HEADSETS, FOLLOWED BY TCAS FAILURE, FOLLOWED BY ELECTRICAL FUMES IN CABIN. - [SDR RU3A2018100302](https://openairdocs.org/sdr/RU3A2018100302.md): Structure · leaking · Oct 3, 2018 · N77 · Beech 300BEECH · Wing Miscellaneous Structure > DURING FLIGHT, FUEL OBSERVED STREAMING FROM WING BEHIND LEFT GEAR. - [SDR RU3A20171211048](https://openairdocs.org/sdr/RU3A20171211048.md): Generator · failed · Dec 11, 2017 · N77 · Beech 300BEECH · AC Generator-Alternator > RIGHT GENERATOR FAILED IN FLIGHT. RESET GENERATOR, FAILED AGAIN WITHIN 10 SECONDS. - [SDR RU3A20171206046](https://openairdocs.org/sdr/RU3A20171206046.md): Landing Gear · malfunctioned · Dec 6, 2017 · N77 · Beech 300BEECH · Landing Gear Retraction/Extension System > RECEIVED A GEAR UNSAFE CONDITION, AROUND 300 AGL THE LANDING GEAR AUDIBLE WARNING WENT OFF, AND ATC VERIFIED THAT OUR GEAR WAS NOT DOWN.PERFORMED THE LANDING GEAR UNSAFE INDICATION ABNORMAL CHECKLIST. AT THAT POINT WE NOTICED THE LANDING GEAR RELAY WAS POP - [SDR RU3A20171204045](https://openairdocs.org/sdr/RU3A20171204045.md): Spring · broken · Dec 6, 2017 · N77 · Beech 300BEECH · Door Warning System > RED CABIN DOOR MASTER WARNING ILLUMINATED IN FLIGHT. STAYED ON FOR DURATION OF FLIGHT. AFTER REPLACING A BROKEN SPRING TAB FOR THE CABIN DOOR SWITCH THE ISSUE WAS SOLVED. - [SDR RU3A20171116041](https://openairdocs.org/sdr/RU3A20171116041.md): Generator · failed · Nov 15, 2017 · N77 · Beech 300LW · AC Generator-Alternator > DURING CRUISE FLIGHT, RT GENERATOR DROPPED OFF LINE, RESET NORMALLY, DROPPED OFF AGAIN ABOUT 10 MIN LATER. - [SDR RU3A20160303005](https://openairdocs.org/sdr/RU3A20160303005.md): Lead · damaged · Mar 3, 2016 · N77 · Beech 300BEECH · Electrical Power System Wiring > ELECTRICAL SMELL & ENVIRO TEMP CONTROL CB POPPED. FOUND & REPAIRED THE POWER LEAD AT A/C RESET SWITCH IN THE NOSE GEAR WW, WITH NO FURTHER DISCREPANCIES NOTED. - [SDR RU3A20141006035](https://openairdocs.org/sdr/RU3A20141006035.md): Hook · broken · Oct 6, 2014 · N77 · Beech 300BEECH · Engine Cowling System > DURING CLIMB NR 2 ENG REAR LATCH ALLOWING APPROX 1/2 INCH GAP TO APPEAR ON INSIDE OF COWLING. REAR LATCH CAM HOOK BROKEN ALLOWING LATCH TO BE ROTATED TO CLOSED POSITION WITHOUT PROPER ENGAGEMENT WITH LATCH PIN. - [SDR RU3A20140714026](https://openairdocs.org/sdr/RU3A20140714026.md): Switch · faulty · Jul 14, 2014 · N77 · Beech 300BEECH · Door Warning System > CABIN DOOR LIGHT CAME ON DURING FLIGHT. THIS IS A REPEAT. HOOK MICROSWITCH WAS ADJUSTED AFTER FIRST OCCURRENCE, THEN CHANGED AFTER SECOND OCCURRENCE. - [SDR RU3A201206190007](https://openairdocs.org/sdr/RU3A201206190007.md): Unknown · odor · Jun 12, 2012 · N77 · Beech 300BEECH · Air Distribution System > STRONG ELECTRICAL FUMES NOTED IN COCKPIT ON ENGINE SHUTDOWN. COULD NOT DUPLICATE. SUSPECT BACK LIGHTING ON A/P CONTROLLER WENT OUT THAT COULD CREATE ELECTRICAL BURNED ODOR. - [SDR RU3A1011](https://openairdocs.org/sdr/RU3A1011.md): Unknown · odor · Mar 16, 2010 · N77 · Beech 300BEECH · Air Distribution System > BURNED RUBBER SMELL IN COCKPIT. AMMETER SHOWS FULL DISCHARGE FOR A SECOND. AFIS WENT OFF LINE. BUS VOLTAGES CAME BACK UP. NO BREAKERS, DID NOT POP. MAINTENANCE APPLIED EXTERNAL POWER TO AIRCRAFT AND OPERATED AUX A/C, FWD AND AFT BLOWERS, AFIS POWER, AVION - [SDR RU3A0920](https://openairdocs.org/sdr/RU3A0920.md): Chip Detector · contaminated · Sep 29, 2009 · N77 · Beech 300BEECH · Turbine Engine Accessory Drive > LEVELED AT FL260, EXECUTED CRUISE CHECKLIST AND RIGHT ENGINE CHIP DETECT LIGHT ILLUMINATED. RAN THE APPROPRIATE CHECKLIST AND RETURNED TO BASE. LANDING WAS UNEVENTFUL. CHECKED WITH MAINTENANCE FOUND A VERY SMALL, ALMOST MICROSCOPIC PIECE OF FOD ON THE CHIP - [SDR RU3A0918](https://openairdocs.org/sdr/RU3A0918.md): Bolt · cracked · Sep 14, 2009 · N77 · Beech 300BEECH · Wing, Fuselage Attach Fittings > LOWER AFT WING ATTACH BOLT CRACKED AT DRIVE END. WING ATTACH BOLTS REMOVED FOR NDT AS PART OF ROUTINE INSPECTION OF WING ATTACH FITTINGS AND ATTACH BOLTS. LOWER AFT ATTACH BOLT WAS FOUND TO BE CRACKED AT THE HEAD END (SOCKET HEAD BOLT). BOLTS WERE REPLACED - [SDR RU3A0919](https://openairdocs.org/sdr/RU3A0919.md): Rib · gouged · Sep 11, 2009 · N77 · Beech 300BEECH · Rudder, Spar/Rib > DEEP GOUGE FOUND ON UPPER BONDED FLOOR RIB OF RUDDER TRIM TAB PUSH/PULL ROD TUNNEL. - [SDR RU3A0915](https://openairdocs.org/sdr/RU3A0915.md): Hinge Fitting · chafed · Sep 11, 2009 · N77 · Beech 300BEECH · Trailing Edge Flaps > LT OUTBOARD FLAP (INBOARD HINGE FITTING ON OUTBOARD SIDE) HAS SEVERE CHAFING DAMAGE (CAUSED BY AFT ROLLER BEARING) NEARLY TO THE POINT OF FAILURE. - [SDR RU3A0914](https://openairdocs.org/sdr/RU3A0914.md): Attach Fitting · worn · Sep 11, 2009 · N77 · Beech 300BEECH · Trailing Edge Flaps > RT OUTBOARD FLAP (INBOARD HINGE FITTING ON OUTBOARD SIDE) HAS BEARING WEAR. FLAP BEARING HAS CHAFED FLAP HINGE FITTING ALMOST THROUGH THE THICKNESS OF THE METAL. FLAP ROLLER BEARING ATTACH FITTING FAILURE WAS IMMINENT. - [SDR RU3A0917](https://openairdocs.org/sdr/RU3A0917.md): Flap Track · corroded · Sep 10, 2009 · N77 · Beech 300BEECH · Trailing Edge Flaps > FLAP TRACK EXFOLIATION CORROSION: LT WING, INBOARD FLAP, INBOARD TRACK (P/N 101-120056-1; OUTBOARD FLAP, INBOARD (P/N 101-110017-1) AND OUTBOARD (P/N 101-110016-3). RT WING, INBOARD FLAP, INBOARD TRACK (P/N 101-120056-1); OUTBOARD FLAP, OUTBOARD TRACK (P/N 1 - [SDR RU3A0916](https://openairdocs.org/sdr/RU3A0916.md): Skin · cracked · Sep 10, 2009 · N77 · Beech 300BEECH · Fuselage Main, Plate/Skin > DENT IN SKIN (APPROX 1.5 INCH DIAMETER) AT A RIVET, DISCOVERED IN RT FUSELAGE SKIN BELOW CO-PILOT D WINDOW. CLOSER EXAMINATION REVEALED AN APPROXIMATE 0.2 INCH CRACK ON STRINGER 10 AT FS 134R, WL 100R THAT WILL CONSTITUTE ENGINEERING ORDER 09281 FOR A MAJOR R ## 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 = 'N77' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N77/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.