# Service difficulty reports: N377AR A list on [N377AR](https://openairdocs.org/aircraft/N377AR.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR M17F20230808107](https://openairdocs.org/sdr/M17F20230808107.md): Apu · failed · Jul 22, 2023 · N377AR · Boeing 73786J · Airborne Auxiliary Power Unit (APU) System > APU NEUMATIC INOPERATIVE - [SDR M17F202307030009](https://openairdocs.org/sdr/M17F202307030009.md): Light · illuminated · Jun 13, 2023 · N377AR · Boeing 73786J · Air Conditioning System > RH PACK LIGHT ON - [SDR ASMF202110021](https://openairdocs.org/sdr/ASMF202110021.md): Seal · damaged · Sep 13, 2021 · N377AR · Boeing 73786J · Turbine Engine Accessory Drive > DURING OVERNIGHT CHECK AT MEX STATION, DUE TO BORESCOPE INSPECTION AT LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED LEFT ENGINE BORESCOPE INSPECTION, DETECTING OIL LEAK BY IDG DRAIN WITH 45 DROPS PER MINUTES; SO THE IDG SEALOL SEAL WAS REPLACED IAW AMM 72-60-00 - [SDR 2021F00239](https://openairdocs.org/sdr/2021F00239.md): Carbon Seal · damaged · Sep 13, 2021 · N377AR · Boeing 73786J · Turbine Engine Oil System > LEFT ENGINE OIL LEAK BY IDG DRAIN, DURING OVERNIGHT CHECK AT MEX STATION, DUE TO BORESCOPE INSPECTION AT LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED LEFT ENGINE BORESCOPE INSPECTION, DETECTING OIL LEAK BY IDG DRAIN WITH 45 DROPS PER MINUTES; SO THE IDG SEALOL - [SDR ASMF202110009](https://openairdocs.org/sdr/ASMF202110009.md): None · none · Aug 8, 2021 · N377AR · Boeing 73786J · Fuselage Main, Plate/Skin > DURING TRANSIT CHECK, IT WAS DETECTED A SEVERAL LIGHTNING STRIKES ON NEAR LEFT SIDE RADOME AND RH WINGLET TIP. MAINTENANCE PERSONNEL PERFORMED A LIGHTNING STRIKE CONDITIONAL INSPECTION IAW AMM 05-51-19, DETECTING SEVERAL LIGHTNING STRIKES ON NEAR LEFT SIDE RAD - [SDR ASMF202110008](https://openairdocs.org/sdr/ASMF202110008.md): Cowling · scratched · Aug 7, 2021 · N377AR · Boeing 73786J · Nacelle/Pylon, Main Frame > DURING TRANSIT CHECK, IT WAS DETECTED A SCRATCH ON LEFT ENGINE INNER BARREL ACOUSTIC PANEL INLET PANEL. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING A SCRATCH ON LEFT ENGINE INLET COWL INNER BARREL ACOUSTIC SKIN PANEL AT 5:30 HRS POSITION ON THE AFT E - [SDR 2021F00154](https://openairdocs.org/sdr/2021F00154.md): Acoustic Panel · damaged · Aug 7, 2021 · N377AR · Boeing 73786J · Nacelle/Pylon, Main Frame > SCRATCH ON RIGHT ENGINE INNER BARREL ACOUSTIC PANEL INLET. DURING TRANSIT CHECK, IT WAS DETECTED A SCRATCH ON LEFT ENGINE INNER BARREL ACOUSTIC PANEL INLET PANEL. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING A SCRATCH ON LEFT ENGINE INLET COWL INNER B - [SDR ASMF202106009](https://openairdocs.org/sdr/ASMF202106009.md): Pump · leaking · Mar 25, 2021 · N377AR · Boeing 73786J · Hydraulic Pump (Electric/Engine), Main > DURING TRANSIT CHECK, A HYDRAULIC LEAK WAS DETECTED AT LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING A HYDRAULIC LEAK AT LEFT ENGINE ELECTRICAL HYDRAULIC PUMP (EDP); SO THE LEFT ENGINE EDP WAS REPLACED IAW AMM 29-11-11, TESTED CORRECT. - [SDR 2021F00085](https://openairdocs.org/sdr/2021F00085.md): Pump · leaking · Mar 25, 2021 · N377AR · Boeing 73786J · Hydraulic Pump (Electric/Engine), Main > 26.03.2021 23:08 LEAK HYDRAULIC AT ELECTRICAL HYDRAULIC PUMP IN LEFT ENGINE DURING TRANSIT CHECK, A HYDRAULIC LEAK WAS DETECTED AT LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING A HYDRAULIC LEAK AT LEFT ENGINE ELECTRICAL HYDRAULIC PUMP (EDP); - [SDR ASMF202106005](https://openairdocs.org/sdr/ASMF202106005.md): Thrust Reverser · cracked · Mar 6, 2021 · N377AR · Boeing 73786J · Engine Thrust Reverser > DURING OVERNIGHT AND APPLICATION OF TASK CARD J3753-818-01-01(21) AT MEX, IT WAS DETECTED SEVERAL CRACKS AT LEFT ENGINE INNER THRUST REVERSER. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING A CRACK OF 1" ON LOWER INSULATION BLANKET AT STA 234 BETWEEN 6 - [SDR ASMF202106004](https://openairdocs.org/sdr/ASMF202106004.md): Fitting · worn · Mar 6, 2021 · N377AR · Boeing 73786J · Cargo/Baggage Doors > DURING OVERNIGHT AND APPLICATION OF TASK CARD J3753-818-00-01(20) AT MEX, IT WAS DETECTED FWD RH STRUCTURE 2ND FITTING WORN LOWER ON FWD CARGO DOOR. MAINTENANCE PERSONNEL PERFORMED REVISION, CONFIRMING THE DAMAGE; SO THE DAMAGE WAS REMOVED IAW SRM 52-30-90-1A- - [SDR ASMF202104002](https://openairdocs.org/sdr/ASMF202104002.md): Servo · leaking · Feb 3, 2021 · N377AR · Boeing 73786J · Fuel Controlling System > AIRCRAFT RETURNED TO PLATFORM DUE TO DURING RIGHT ENGINE START, A FUEL LEAK WAS DETECTED IN THE RIGHT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING LEAK FUEL BY SERVO FUEL HEAT IN THE RIGHT ENGINE; SO THE RIGHT ENGINE SERVO FUEL HEATER WAS REPLAC - [SDR ASMF202101006](https://openairdocs.org/sdr/ASMF202101006.md): Valve · leaking · Oct 18, 2020 · N377AR · Boeing 73786J · Engine Cooling System > DURING OVERNIGHT CHECK AT MEX STATION, IT WAS DETECTED A FUEL LEAK AT RIGHT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION. DETECTING THE RIGHT ENGINE HPTACC VALVE LEAKING. THE HPTACC VALVE WAS REPLACED, IAW AMM 75-21-01, TESTED CORRECT. - [SDR ASMF202101004](https://openairdocs.org/sdr/ASMF202101004.md): Skin · cracked · Oct 12, 2020 · N377AR · Boeing 73786J · Horizontal Stabilizer, Plate/Skin > DURING 13A SERVICE AT MEX STATION, IT WERE DETECTED CRACKS ON LOWER SKIN OF RIGHT HORIZONTAL STABILIZERS, AND THREE DENTS ON LEADING EDGE OF LEFT HORIZONTAL STABILIZER. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING A CRACK ON LOWER SKIN OF 3.00" LENGT - [SDR ASMF2020090705](https://openairdocs.org/sdr/ASMF2020090705.md): Actuator · failed · Jul 2, 2020 · N377AR · Boeing 73786J · Engine Thrust Reverser > DURING WORKS OF RETURN TO SERVICE, IT WAS DETECTED HIT ON BOTH ENG REVERSERS. MAINTENANCE PERSONNEL PERFORMED GROUND HANDLING EQUIPMENT HITS AIRPLANE CONDITIONAL INSPECTION, IAW AMM 05-51-59. DETECTING TWO CRACKS OF 0.750 LENGTH AND 1.00 LENGTH ON LT ENGINE - [SDR ASMF2019100902](https://openairdocs.org/sdr/ASMF2019100902.md): Acoustic Liner · damaged · Jul 18, 2019 · N377AR · Boeing 73786J · Nacelle/Pylon, Main Frame > DURING OVERNIGHT CHECK, IT WAS DETECTED THE LEFT ENGINE ACOUSTIC PANEL DAMAGED. MAINTENANCE PERSONNEL PERFORMED INSPECTION ON THE LEFT ENGINE ACOUSTIC PANEL, DETECTING A CRACK OF 0.500” LENGTH LOCATED AT 01:00 HOUR POSITION AND AT 13.00” FROM REAR EDGE ON INNE - [SDR ASMF2019061308](https://openairdocs.org/sdr/ASMF2019061308.md): Actuator · leaking · Apr 18, 2019 · N377AR · Boeing 73786J · Engine Thrust Reverser > DURING TRANSIT CHECK, MAINTENANCE PERSONNEL DETECTED A HYDRAULIC LEAK IN MIDDLE ACTUATOR OF RH ENGINE; SO MIDDLE ACTUATOR P/N 315A2800-1 S/N 5235 WAS REPLACED IAW AMM 78-31-03-400-802-F00, TESTED CORRECT. - [SDR ASMF2019042306](https://openairdocs.org/sdr/ASMF2019042306.md): Window · cracked · Feb 1, 2019 · N377AR · Boeing 73786J · Flight Compartment Windows > CAPTAIN REPORTED THAT DURING LANDING THE FLIGHT COMPARTMENT WINDOW GOT CRACKED. MAINTENANCE PERSONNEL PERFORMED REVISION IAW AMM 56-12-11, DETECTING THE LOWER LEFT CORNER UPPER WINDOW CRACKED, CHIPPED, DELAMINATED AND BUBBLES; SO THE RIGHT HAND WINDOW NUMBER 3 - [SDR ASMF20180918012](https://openairdocs.org/sdr/ASMF20180918012.md): Pump · failed · Aug 9, 2018 · N377AR · Boeing 73786J · Engine Fuel Pump > DURING OVERNIGHT CHECK OF AUGUST 09, 2018, A FUEL LEAKAGE WAS DETECTED IN RIGHT ENGINE. MAINTENANCE PERSONNEL PERFORMED A REVISION DETECTING FUEL PUMP DRAIN OF 80 DROPS PER MINUTE BEING OUT OF LIMITS IAW AMM 71-71-00, THE POWER PLANT TEST 3A WAS PERFORMED IAW - [SDR ASMF201801010](https://openairdocs.org/sdr/ASMF201801010.md): Transmitter · failed · Dec 21, 2017 · N377AR · Boeing 73786J · Trailing Flap Position Indicating System > CAPTAIN REPORTED THAT DURING APPROACH, TRAILING EDGE FLAP DISAGREE, SO FLIGHT CREW ACCOMPLISHED THE QRH 9.28 PROCEDURE. MAINTENANCE PERSONNEL PERFORMED BITE TO FSEU IAW FIM 27-51 TASK 836 PROCEDURE, SHOWING FAILURE CODES 27-52260; SO THE FIM 27-51 TASK 820 A - [SDR ASMF201704014](https://openairdocs.org/sdr/ASMF201704014.md): Warning Light · false activation · Apr 23, 2017 · N377AR · Boeing 737800* · Engine Thrust Reverser > AIRCRAFT RETURNED, DURING TAXI, THE THRUST REVERSER LIGHT ILLUMINATED. MAINTENANCE PERFORMED A REVISION TO LEFT ENGINE IAW AMM 71-00-00, DETECTING THE LEFT ENGINE WITH OPERATION NORMAL; SO THE THRUST REVERSER LIGHT REPORT WAS DEFERRED IAW MEL 78-1-3, CAT. C. - [SDR ASMF201703003](https://openairdocs.org/sdr/ASMF201703003.md): Blades · damaged · Mar 5, 2017 · N377AR · Boeing 737800* · Turbine Engine Air Inlet Section > DURING TRANSIT CHECK, IT WAS DETECTED FOD DAMAGES AT INLET CASE FAN OF THE LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED INSPECTION DETECTING 24 FAN BLADES LEADING EDGE WITH NICKS AND DAMAGES AT INNER BARREL ACOUSTIC PANEL OUT OF LIMITS IAW AMM 72-21-02 AND AMM - [SDR ASMF201612008](https://openairdocs.org/sdr/ASMF201612008.md): Fan · distorted · Nov 6, 2016 · N377AR · Boeing 737800* · Turbine Engine Air Inlet Section > DURING TRANSIT CHECK, IT WAS DETECTED IN THE RIGHT ENGINE DISTORTION AT FAN BLADE LEADING EDGE POSITION 2. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING DISTORTION AT FAN BLADE LEADING EDGE POSITION 2 IN THE RIGHT ENGINE WITH 2.0” OF RADIAL DISPLACEMENT, ## 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 = 'N377AR' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N377AR/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.