N300UB

Service difficulty reports · 17

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

Query with SQL
duckdb -csv -c "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 = 'N300UB' AND registry_match = 'registration'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR AALA202607278357Light · inoperativeAIRCRAFT WAS NOT GROUNDED: AFT RIGHT EMERGENCY WING EXIT LIGHT INOPERATIVE. MAINTENANCE REPLACED OVERWING EXIT LIGHT ASSY IAW AMM 33-21-00.Jul 24, 2026 · N300UB · Boeing 7378 · Emergency LightingSDR AALA202508283445Oven · smokeAIRCRAFT WAS NOT GROUNDED: LEFT OVEN IN FORWARD GALLEY STARTS SMOKING WHEN TURNED ON. REMOVED AND REPLACED NUMBER 1 OVEN AT FIRST CLASS GALLEY. PER AMM 25-32-00. OPERATIONAL CHECKS GOOD.Aug 24, 2025 · N300UB · Boeing 7378 · Buffet/GalleysSDR AALA202508253445Oven · smokeAIRCRAFT WAS NOT GROUNDED: LEFT OVEN IN FORWARD GALLEY STARTS SMOKING WHEN TURNED ON. (OPEN).Aug 24, 2025 · N300UB · Boeing 7378 · Buffet/GalleysSDR AALA202508197813Door · lack of lubeAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN FROM OUTSIDE DOOR (CABIN SIDE). LUBED COCKPIT DOOR.Aug 17, 2025 · N300UB · Boeing 7378 · Fixed Inner DoorsSDR AALA202504226310Control Unit · faultyAIRCRAFT WAS GROUNDED: DURING FLIGHT AT CRUISE AT FL 210 USING ALL AUTOMATION CONTROL, WHILE REDUCING SPEED THE AUTO THROTTLE REDUCES THE POWER THEN THE GEAR HORN GOES OFF AND THE 3 GEAR RED LIGHTS COME ON. REMOVED AND REPLACED SPOILER CONTROL UNIT (AALA20250Apr 16, 2025 · N300UB · Boeing 7378 · Drag Control SystemSDR AALA202504176310Warning Horn · activatedAIRCRAFT WAS GROUNDED: DURING FLIGHT AT CRUISE AT FL 210 USING ALL AUTOMATION CONTROL, WHILE REDUCING SPEED THE AUTO THROTTLE REDUCES THE POWER THEN THE GEAR HORN GOES OFF AND THE 3 GEAR RED LIGHTS COME ON. (OPEN).Apr 16, 2025 · N300UB · Boeing 7378 · Landing Gear Position and WarningSDR AALA202504170737Antenna · faultedAIRCRAFT WAS GROUNDED: REPEAT RECURRING ISSUE WITH GEAR WARNING HORN GOES OFF WHEN THROTTLES PULLED BACK, ALONG WITH 3 RED GEAR LIGHTS. HORN CUTOUT WILL SILENCE THE HORN.HAD TO REDUCE SPEED IN CRUISE AND WHEN THRUST WAS REDUCED, THE HORN WENT OFF. REPLACED LRApr 14, 2025 · N300UB · Boeing 7378 · Localizer/VOR SystemSDR AALA202504175893Antenna · faultedAIRCRAFT WAS GROUNDED: REPEAT RECURRING ISSUE WITH GEAR WARNING HORN GOES OFF WHEN THROTTLES PULLED BACK, ALONG WITH 3 RED GEAR LIGHTS. HORN CUTOUT WILL SILENCE THE HORN.HAD TO REDUCE SPEED IN CRUISE AND WHEN THRUST WAS REDUCED, THE HORN WENT OFF. REPLACED LRApr 14, 2025 · N300UB · Boeing 7378 · Localizer/VOR SystemSDR AALA202504165893Warning Horn · false activationAIRCRAFT WAS GROUNDED: REPEAT RECURRING ISSUE WITH GEAR WARNING HORN GOES OFF WHEN THROTTLES PULLED BACK, ALONG WITH 3 RED GEAR LIGHTS. HORN CUTOUT WILL SILENCE THE HORN.HAD TO REDUCE SPEED IN CRUISE AND WHEN THRUST WAS REDUCED, THE HORN WENT OFF. **SUPPLEMENTApr 14, 2025 · N300UB · Boeing 7378 · Landing Gear Position and WarningSDR AALA202504176493Pseu · faultedAIRCRAFT WAS GROUNDED: GEAR WARNING HORN COMES ON AND RED GEAR LIGHTS COME ON DURING DESCENT. **SUPPLEMENTAL REPORT FOR (AALA202504116493): FOUND POWER SYSTEM FAULTS ON PSEU. REMOVE AND REPLACED PSEU (AALA202504116493), PER AMM IAW 32-09-10. REMOVE AND REPLACEApr 10, 2025 · N300UB · Boeing 7378 · Landing Gear Position and WarningSDR AALA202504177012Interface Module · faultedAIRCRAFT WAS GROUNDED: GEAR WARNING HORN COMES ON AND RED GEAR LIGHTS COME ON DURING DESCENT. FOUND POWER SYSTEM FAULTS ON PSEU. REMOVE AND REPLACED PSEU (AALA202504116493), PER AMM IAW 32-09-10. REMOVE AND REPLACED LANDING GEAR CONTROL MODUL (AALA20250417701Apr 10, 2025 · N300UB · Boeing 7378 · Landing Gear Retraction/Extension SystemSDR AALA202504116493Warning System · malfunctionedAIRCRAFT WAS GROUNDED: GEAR WARNING HORN COMES ON AND RED GEAR LIGHTS COME ON DURING DESCENT. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).Apr 10, 2025 · N300UB · Boeing 7378 · Landing Gear Position and WarningSDR AALA202504087941Altimeter · false indicationAIRCRAFT WAS GROUNDED: LANDING GEAR WARNING HORN AND GEAR UNSAFE LIGHTS ILLUMINATED MULTIPLE TIMES DURING DESCENT. REPLACED NUMBER 2 RADIO ALTIMETER.Apr 7, 2025 · N300UB · Boeing 7378 · Microwave Landing SystemSDR AALA202504081451Antenna · undertorquedAIRCRAFT WAS GROUNDED: GEAR WARNING HORN AND RED LIGHTS ON INTERMITTENTLY ON DESCENT FROM FL230 TO ABOUT 15000. PERFORMED BITE TEST ON BOTH LRRA TRANSCEIVERS, PER AMM 34-33-00 BITE TEST PASS. FOUND ALL SCREWS ON ALL 4 LRRA ANTENNAS LESS THAN 30 INCH LBS. HALF Apr 6, 2025 · N300UB · Boeing 7378 · Microwave Landing SystemSDR AALA202503201017Shaft · out of rigAIRCRAFT WAS GROUNDED: AFT L2 DOOR HANDLE NOT OPERATING CORRECTLY. MUST BE TURNED 90 DEGREES TO ENGAGE OPENING MECHANISM. TROUBLESHOT AND FOUND SLEEVE FOR EXTERIOR HANDLE NOT CLOCKED PROPERLY. ENGAGING 90 DEGREES OFF. REMOVED AND REPLACED HANDLE SHAFT ASSEMBLYMar 19, 2025 · N300UB · Boeing 7378 · Passenger/Crew DoorsSDR AALA202503089000Controller · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AN THE AIRCRAFT DIVERTED TO ATL DUE TO AUTO PRESSURIZATION FAILURE. THE AIRCRAFT LANDED SAFELY AT ATL. AIRCRAFT WAS ON AN MEL FOR CABIN PRESSURE CONTROLLER #2 INOPERATIVE. MAINTENANCE REPLACED THE OUTFLOW VALVEMar 5, 2025 · N300UB · Boeing 7378 · Cabin Pressure ControllerSDR AALA202503086361Outflow Valve · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AN THE AIRCRAFT DIVERTED TO ATL DUE TO AUTO PRESSURIZATION FAILURE. THE AIRCRAFT LANDED SAFELY AT ATL. AIRCRAFT WAS ON AN MEL FOR CABIN PRESSURE CONTROLLER #2 INOPERATIVE. MAINTENANCE REPLACED THE OUTFLOW VALVEMar 5, 2025 · N300UB · Boeing 7378 · Pressure Regulator/Outflow Valve
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