N2331U

Service difficulty reports · 32

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 = 'N2331U' 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 CALA2026102120505Seal · damagedAPU MOUNT CHECK, INLET DUCT PLENUM SEAL IS DISTORTED ON LT SIDE. REMOVED APU AIR INLET PLENUM SEAL IAW AMM 49-15-04 & REPLACED IAW AMM 49-15-04-400-801.Oct 19, 2026 · N2331U · Boeing 777300ER · APU Cowling/ContainmentSDR CALA2025102310443Battery Pack · no testEMERGENCY EXIT LIGHTS TURNED ON IN THE AIR. FLASHING INTERMITTANTLY. REPLACED FWD EMERGENCY BATTERY M33093 ABOVE DOOR L1. REPLACED AFT EMERGENCY BATTERY M33098 ABOVE DOOR R2 ALL EMERGENCY LIGHTS GROUND TEST PASSED.Oct 22, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025100109514Battery Pack · dischargedR5 (M33408) EMERGENCY POWER SUPPLY BATTERY FOUND LOW CAPACITY. REPLACED R5 (M33408) EMERGENCY POWER SUPPLY BATTERY PACK AND INSTALLATION TEST C/O RESULT FOUND NORMA L REF AMM 33-51-06-960-802 REV104.Sep 30, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025100109502Battery Pack · dischargedOFCR BACKUP POWER SUPPLY BATTERY, FOUND TO HAVE LOW CAPACITY. REPLACED OFCR BACKUP POWER SUPPLY BATTERY PACK AND TESTED NORMAL IAW AMM 33-29-10-960-810, REV 104.Sep 30, 2025 · N2331U · Boeing 777300ER · Passenger Compartment LightingSDR CALA2025100109500Battery Pack · dischargedL2 FWD EMERGENCY POWER SUPPLY BATTERY FOUND TO HAVE LOW CAPACITY. REPLACED THE BATTERY, TESTED NORMAL IAW AMM 33-51-06-960-802, REV 104.Sep 30, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025093009444Battery Pack · dischargedR3 MID (M33305) EMERGENCY POWER SUPPLY BATTERY FOUND LOW CAPACITY. REPLACED R3 MID (M33305) EMERGENCY POWER SUPPLY BATTERY PACK AND TEST,C/O RESULT FOUND NORMAL REF AMM 33-51-06-960-802 REV104.Sep 29, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025093009443Battery Pack · dischargedL2 AFT (M33099) EMERGENCY POWER SUPPLY BATTERY FOUND LOW CAPACITY. REPLACED L2 AFT (M33099) EMERGENCY POWE R SUPPLY BATTERY PACK AND TEST C/O RESULT FOUND NORMAL REF AMM 3 3-51-06-960-802 REV104.Sep 29, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025093009442Battery Pack · dischargedL4 (M33405) EMERGENCY POWER SUPPLY BATTERY FOUND LOW CAPACITY. REPLACED L4 (M33405) EMERGENCY POWER SUPPLY BATTERY AND TEST C/O RESULT FOUND NORMAL REF AMM 33-51-06-960-802 REV104.Sep 29, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025093009441Battery Pack · dischargedR1 (M33094) EMERGENCY POWER SUPPLY BATTERY FOUND LOW CAPACITY, REPLACED R1 (M33094) EMERGENCY POWER SUPPLY BATTERY AND INSTALLATION TEST,C/O FOUND NORMAL REF AMM 33-51-06-960-802 REV104.Sep 29, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025093009440Battery Pack · dischargedOFCR (M33145) BACKUP POWER SUPPLY BATTERY FOUND LOW CAPACITY. REPLACED OFCR (M33145) BACKUP POWER SUPPLY BATTERY PACK AND TEST C/O RESULT FOUND NORMAL REF AMM 33- 29-10-960-810 REV104.Sep 29, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025093009434Battery Pack · dischargedOFAR (M33142) BACKUP POWER SUPPLY BATTERY FOUND LOW CAPACITY. REPLACED OFAR (M33142) BACKUP POWER SUPPLY BATTERY PACK AND INSTALLATION TEST,CO RESULT FOUND NORMA L REF AMM 33-29-12-960-809 REV104.Sep 29, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025081807863Unknown · odorFLT ATTDNT CREW REST HAS SULFUR ODOR NEAR ENTRY DOOR. CONDITION AIR SUPPLIED WITH COOLING PACK IAW AMM 21-00-00-800-803 REV.104, INSPECTION PERFORMED AT AFT CABIN AREA AROUND FLT ATTEND CREW REST, NO SULFUR OR ELECTRIC ODOR AFTER HALF AN HOUR OF PACK OPS. FOAug 16, 2025 · N2331U · Boeing 777300ER · Air Distribution SystemSDR CALA2025032003000Battery Pack · no testEMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - FOUND BATTERY PACK M33406 INOP. RELATED EMERGENCY LT INOP OVER DOOR AREA, MAIN AISLE, MED 4L EXIT SIGN & MASTER CALL EXIT SIGN MED L& R. REF SSM 33-51-15-103. REPLACED WITH A NEW BATTERY PAMar 19, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2025032002993Battery Pack · no testEMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - FOUND LH #3 DOOR OVERWING SLIDE LT INOP. REPLACED PWR PACK ON M33301 EMER PWR SUPPLY AND FUNCTION CHKD ON. PARTS USED: 99-3351-3-0015, QTY :1Mar 19, 2025 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103451Battery Pack · no testEMER LIGHT BATTERY M33143 CAPACITY CHECK FAIL. . EMERG LT BATTERY M33143 REPLACED & TEST CARRIED OUT RESULT NORMAL.Dec 20, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103450Battery Pack · no testDR R4 EMER LIGHT BATTERY M33404 CAPACITY CHECK FAIL. DR R4 EMER LIGHT BATTERY M33404 BATTERY PACK REPLACED AND TESTED NORMAL IAW AMM 33-51-06.Dec 20, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103449Battery Pack · no testDR L5 EMER LIGHT BATTERY M33407 CAPACITY CHECK FAIL WORK. EMERG LT BATTERY M33407 REPLACED & TEST RESULT NORMAL IAW AMM 33-51-06.Dec 20, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103448Battery Pack · no testSUPPORT TASK DR R5 EMER LT BATTERY M33409 CAPACITY CHECK FAIL. DR R5 EMER LT BATTERY M33409 BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.Dec 20, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103447Battery Pack · no testDR R3 EMER LIGHT BATTERY M33306 CAPACITY CHECK FAIL.. EMERG LT BATTERY M33306 REPLACED & TEST RESULT NORMAL.Dec 20, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103446Battery Pack · no testDR L4 EMER LIGHT BATTERY M33400 CAPACITY CHECK FAIL. DR L4 EMER LT BATT PACK REPLACED AND OP TEST NORMAL I.A.W AMM 33-51-06.Dec 19, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103445Battery Pack · no testDR L4 EMER LIGHT BATTERY M33405 CAPACITY CHECK FAIL . . DR L4 EMER LT BATT PACK REPLACED AND OP TEST NORMAL I.A.W. AMM 33-51-06.Dec 19, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103444Battery Pack · no testSUPPORT TASK DR L3 EMER LIGHT BATTERY M33302 CAPACITY CHECK FAIL. DR L3 EMER LIGHT BATTERY M33302 BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 .Dec 19, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103443Battery Pack · no testSUPPORT TASK DR L1 EMER LT BATTERY M33093 CAPACITY CHECK FAIL WORK TRANSFER REF NON ROUTINE WO.1334711 AND ORIGINATOR BY V898181. DR L1 EMER LT BATTERY M33093 BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.Dec 19, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022122103442Battery Pack · no testSUPPORT TASK DR R4 EMER LIGHT BATTERY M33401 CAPACITY CHECK FAIL WORK TRANSFER REF NON ROUTINE WO.1334689 AND ORIGINATOR BY V898181. DR R4 EMER LIGHT BATTERY M33401 BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898Dec 19, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2022121903433Skin · damagedFUSELAGE SKIN DAMAGE AT STA 2108 AT STR 24L . REF LOG PAGE 6945293 FOR INSPECTION OF DAMGE AND WORK ACCOMPLISHED. REPAIR ON OR BEFOR 500 CALANDER DAYS OF PART 3 OF EC/RA 5330-06860 REFE ECRA 5330-06860, REPEAT INSPECTION EVERY 100 FLIGHT CYCLES TOMC-APPROVAL FDec 18, 2022 · N2331U · Boeing 777300ER · Fuselage Main, Plate/SkinSDR CALA2022121403376Charger · inoperativeB777-33-3-7019 DR R3 EMER LIGHT CHARGER M33306 TEST FAIL TRANSFER REF NON ROUTINE WO.1262159 AND ORIGINATOR BY V896958 DR R3 EMER LIGHT BATTERY CHARGER M33306 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 ACCOMPLISHED BY MECH V898181 AND INSPECTED BY V896958Dec 14, 2022 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2018072301670Light · inoperativeON CHK FOUND 2EA EMERGENCY LT INOP. LOCATED LT SEAT 41D AND 46D 2EA EMERGENCY LIGHT ASSY. REPLACED AND LIGHT TESTED OK IAW AMM 33 -51-05. INSPECTION CARRIED OUT CHECK ''SATIS''.Jul 20, 2018 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2017121904530Battery · dischargedFIRST OFFICER FLASHLIGHT WILL NOT TEST. REPLACED FLASH LIGHT BATTERY.Dec 19, 2017 · N2331U · Boeing 737322 · Emergency EquipmentSDR CALA2017121104401Bracket · deformedSEAT 46G EMERGENCY LIGHT LOOSE. FOUND BRACKET FOR LIGHT DEFORMED, SECURED THE BRACKET & OPS CHECKED OK.Dec 11, 2017 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2017120804370Light · malfunctionedBELOW 5000 FEET, EMERGENCY EXIT LIGHTS CAME ON BLINKING. GROUND OPS TESTED THE EMERGENCY LIGHT SYS, ALL FUNCTION NORMAL.Dec 8, 2017 · N2331U · Boeing 777300ER · Emergency LightingSDR CALA2017092403314Light · brokenEMERGENCY LIGHT AND COVER BROKEN OFF SEAT AT 43D. REPLACED EMERGENCY LIGHT ASSEMBLY AT 43D PER MM 33-51-00 OPS CHK OK.Sep 24, 2017 · N2331U · Boeing 777* · Emergency LightingSDR CALA2017040400808Oven · odorOVEN OVERHEATS 700 700A WARMING OVEN SMELLS OF ELECTRIC OVERHEAT. MANUAL OFF AND C B PULLED. RESET CIRCUIT BREAKER. OVEN OPERATORS NORMALLY. NO ADVERSE SMELLS NOTEDApr 4, 2017 · N2331U · Boeing 777* · Buffet/Galleys
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