JASC 3350

Service difficulty reports · 225,735

Reports filed under 3350 · Emergency Lighting, 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 jasc_code = '3350'
  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 AALA202601124233Power Supply · no testAIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 15WL DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 15WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Jan 10, 2026 · N587UW · Airbus A321231SDR AALA202601126654Power Supply · no testAIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 10WL DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Jan 10, 2026 · N587UW · Airbus A321231SDR REXA2025011101081Lamp · inoperativeDURING LINE CHECK NOTED FORWARD-MOST CEILING EMERGENCY LIGHT INOP. REPLACED THE LAMP FORWARD-MOST EMERGENCY CEILING FLOODLIGHT PER AMM 33-51-09. ALL CHECKS GOOD.Jan 10, 2026 · N376CA · Cndair CL6002C10SDR CALA2026011112860Power Supply · faultedLEFT FWD M33093 POWER SUPPLY ASOC. EMERGENCY LIGHTS INOPERATIVE DURING AN OPS TEST WITH THE CONTROL SWITCHES PROCEDURE. R & R POWER SUPPLY M33093 IAW AMM 33-51-06-960-803. OPS CKD OK.Jan 10, 2026 · N226UA · Boeing 777222SDR AALA202602272252Light · crackedAIRCRAFT IN BASE MAINTENANCE: BOTH FORWARD AND AFT EMERGENCY PROXIMITY LIGHTS ON G7 CLOSET ARE CRACKED. REMOVED AND REPLACED FORWARD (AALA202602277770) AND AFT (AALA202602272252) EMERGENCY PROXIMITY LIGHTS ON G7 CLOSET. PER AMM 33-51-14. PERFORMED SATISFACTORYJan 9, 2026 · N981AN · Boeing 737823SDR AALA202602277770Light · crackedAIRCRAFT IN BASE MAINTENANCE: BOTH FORWARD AND AFT EMERGENCY PROXIMITY LIGHTS ON G7 CLOSET ARE CRACKED. REMOVED AND REPLACED FORWARD (AALA202602277770) AND AFT (AALA202602272252) EMERGENCY PROXIMITY LIGHTS ON G7 CLOSET. PER B737NG AMM 33-51-14. PERFORMED SATISJan 9, 2026 · N981AN · Boeing 737823SDR AALA202602040851Light · inoperativeAIRCRAFT IN BASE MAINTENANCE: LEFT HAND AFT OVERWING EXTERIOR EMERGENCY LIGHT IS INOPERATIVE. REMOVED AND REPLACED LAMP AT LEFT HAND AFT EMERGENCY EXIT OVERWING LIGHT. PERFORMED A SATISFACTORY OPERATIONAL CHECK OF LEFT HAND AFT OVERWING EXTERIOR EMERGENCY LIGHJan 9, 2026 · N981AN · Boeing 737823SDR AALA202601266530Bulb · inoperativeAIRCRAFT IN BASE MAINTENANCE: LEFT HAND AFT OVERWING EXTERIOR EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED LAMB. PER B737NG AMM 33-51-04.Jan 9, 2026 · N981AN · Boeing 737823SDR AALA202601154734Lamp · inoperativeAIRCRAFT IN BASE MAINTENANCE: FLIGHT STATION EMERGENCY LIGHT IS INOPERATIVE. RELAMPED THE EMERGENCY DOME LIGHT IN THE FLIGHT STATION. PER AMM 33-14-00-960-80. PERFORMED A SATISFACTORY EMERGENCY LIGHTS OPERATIONAL CHECKFOR THE FLIGHT STATIONEMERGENCY DOME LIGHTJan 9, 2026 · N981AN · Boeing 737823SDR SWAA2026011459988Battery Pack · inoperativeLH OWE EMERGENCY EXIT LIGHTS INOPERATIVE. ACCESSED SIDEWALLS AND DADO PANELS; REMOVED AND REPLACED BATTERY PACKS; PERFORMED GOOD OPS TESTS ON BATTERY PACKS AND REINSTALLED ACCESSED SIDEWALLS AND DADO PANELS IAW AMM 33-51-06 AND AMM 25-21-46 AND AMM 21-23-03.Jan 9, 2026 · N8661A · Boeing 7378H4SDR AALA202601130437Cover · missingAIRCRAFT WAS NOT GROUNDED: AFT RIGHT EMERGENCY EXIT SIGN COVER ON RIGHT SIDE OF AIRCRAFT MISSING BEFORE GALLEY. REMOVED AND REPLACED LIGHT ASSEMBLY IAW AMM 33-51-00. OPS CHECKED GOOD.Jan 9, 2026 · N303RG · Boeing 7378SDR AALA202601139842Light · detachedAIRCRAFT WAS NOT GROUNDED, EXIT PATH LIGHT AT SEAT 9C IS DETACHED FROM SEAT. REMOVED AND REPLACED EXIT LIGHT PATH HOUSING IAW AMM 25-21-00.Jan 9, 2026 · N939AN · Boeing 737823SDR CALA2026011312919Battery · dischargedM/D L2 DOOR FWD EMERGENCY POWER SUPPLY (M33096) BATTERY PACK FOUND LOW CAPACITY REF HAECO NON-ROUTINE 9490429, REPLACED M/D L2 DOOR FWD EMERGENCY POWER SUPPLY (M33096) BATTERY PACK AND PERFORMED NEW BATTERY PACK TEST & CAPACITY CHECK, THE TEST RESULT NORMAL IJan 9, 2026 · N784UA · Boeing 777222SDR CALA2026011312918Battery · dischargedLLAR EMERGENCY POWER SUPPLY BATTERY PACK FOUND LOW CAPACITY REF HAECO NON-ROUTINE NO.9490431, REPLACED LLAR EMERGENCY POWER SUPPLY BATTERY PACK AND PERFORMED NEW BATTERY PACK TEST & CAPACITY CHECK, THE TEST RESULT NORMAL IAW AMM 33-51-06-960-802 & AMM 33-51-0Jan 9, 2026 · N784UA · Boeing 777222SDR CALA2026011312917Battery · dischargedMAIN DECK R1 DOOR EMERGENCY POWER SUPPLY M33094 BATTERY PACK FOUND TO HAVE LOW CAPACITY IAW HAECO NON-ROUTINE 9490428, REPLACED MAIN DECK R1 DOOR EMERGENCY POWER SUPPLY M33094 BATTERY PACK AND PERFORMED NEW BATTERY PACK TEST & CAPACITY CHECK, THE TEST RESULTJan 9, 2026 · N784UA · Boeing 777222SDR ASAA2026010962824Battery · inoperativeCABIN AND COCKPIT EMERGENCY LIGHTS NOT WORKING. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY SUPPLIES 221CC, 221FC, & 222AR, OPS CHKD OK. OK FOR SERVICE. AMM 33-51-03.Jan 9, 2026 · N479HA · Boeing 717200SDR SWAA2026011259840Charger · failedAFT FA HEARD A LOUD NOISE POP IN THE AFT GALLEY AND AFTERWARDS ELECTRICAL SMELL COMING FROM AFT CONDITIONAL 05-51-56. PERFORMED CONDITIONAL INSPECTION SMOKE/FUMES IN CABIN PER AMM 05-51-56. FOUND AFT LEFT EMERGENCY LIGHTS TO INOP. INSPECTED AFT EMERGENCY BATTJan 9, 2026 · N7702A · Boeing 7377BDSDR SWAA2026011260616Battery Pack · failedAFT FA HEARD A LOUD NOISE POP IN THE AFT GALLEY AND AFTERWARDS ELECTRICAL SMELL COMING FROM AFT CONDITIONAL 05-51-56. PERFORMED CONDITIONAL INSPECTION SMOKE/FUMES IN CABIN PER AMM 05-51-56. FOUND AFT LEFT EMERGENCY LIGHTS TO INOP. INSPECTED AFT EMERGENCY BATJan 9, 2026 · N7702A · Boeing 7377BDSDR AALA202601124759Battery Pack · inoperativeAIRCRAFT WAS GROUNDED: WHILE ACCOMPLISHING WELS OPS CHECK. FOUND DOOR 3LH REMOTE WELS CONTROL UNIT BATTERY FAILED/DEGRADED. MAINTENANCE REPLACED WELS BATTERY AT DOOR 3LH AFT REMOTE IN REF TO AMM 33-51-07.Jan 9, 2026 · N813AN · Boeing 7878SDR CALA2026011112858Battery · faultedSEATS 51-60 EMERGENCY LIGHTS INOP ON BOTH LEFT AND RIGHT SIDE; PROCEDURE FAULT CONFIRMED, REMOVED AND REPLACED WELS BATTERY AT POSITION 29 IN REFERENCE TO AMM DMC-B787-A-33-51-07-02B-720A-A. OPS CHECK GOOD.Jan 9, 2026 · N14019 · Boeing 78710SDR DALA2026010900243Power Supply · faultedAIRCRAFT 3760, ENTRYWAY EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED FWD LEFT ENTRYWAY EMERGENCY LIGHTS POWER SUPPLY. OPS CHK OF EMERGENCY LIGHTS GOOD. IAW AMM 33-51. (LP 8103740)Jan 9, 2026 · N3760C · Boeing 737832SDR AALA202601097294Power Supply · no testAIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 14WL DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 14WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Jan 9, 2026 · N174US · Airbus A321211SDR FDEA202601090016Housing · damagedCOURIER AREA CENTER EMERGENCY LIGHT WITH R1 DOOR OVERHEAD EMERGENCY LIGHT AND EXTERIOR SLIDE LIGHT INOP. R & R EMERGENCY POWER SUPPLY UNIT IAW AMM 33-51-07-2, R1 OVERHEAD EXIT SIGN & R1 EXTERIOR SLIDE LIGHT OPS CHK SERVICEABLE HOWEVER THE CTR INTERIOR ILLUMIJan 9, 2026 · N930FD · Boeing 7572Y0SDR FDEA202601090015Bulb · failedDURING MX PRE-FLIGHT FOUND L1 EMERGENCY EXIT SIGN BARELY LIT. FOUND L1 EMERGENCY EXIT SIGN HAS 11 BULBS INOP. REMOVED AND REPLACED 11 FAULTY BULBS IAW AMM 33-51-01-2. OPS CHECK GOOD. A/C OK FOR SERVICE.Jan 9, 2026 · N949FD · Boeing 757236SDR CALA2026010912820Bracket · faultyROW 34ABC EMERGENCY PATHWAY LIGHTING BRACKET BROKEN. REMOVED AND REPLACED EMERGENCY PROXIMITY LIGHTING ASSEMBLY IAW MM 33-51-11.Jan 9, 2026 · N61886 · Boeing 737924ERSDR ASAA2026010863753Battery Pack · no testL2 DOOR EMERGENCY EXIT LIGHT FAIL CAPACITY CHECK. SRXR430X. GROUNDED - YES. REPLACED BATTERY PACT AFT PASSENGER DOOR L2 IAW AMM 33-51-06-960-802, OPERATIONAL TEST GOOD.Jan 8, 2026 · N935AK · Boeing 7379SDR SWAA2026011359248Light · inoperativeEMERGENCY LIGHTS AND SIGN OVER FORWARD SERVICE DOOR DO NOT ILLUMINATE. R & R POWER SUPPLY, FUSE TO M1675 & PERFORMED GOOD EMERGENCY LIGHTS. OPS TESTED IAW AMM 33-51-06-960-804, WDM 33-51-12, AND SSM 33-51-11.Jan 8, 2026 · N919WN · Boeing 7377H4SDR SWAA2026011359249Light · out of adjustEMERGENCY EXIT INDICATOR LIGHT ASSY FOR FWD ENTRY DOOR MISSING. INSTALLED EMERGENCY EXIT INDICATOR LIGHT ASSY FOR FWD ENTRY DOOR AND PERFORMED GOOD, OPS TESTED PER AMM 33-51-01-960-802.Jan 8, 2026 · N919WN · Boeing 7377H4SDR HNAA2026011000007Sign · failedEMERGENCY EXIT LIGHT BY TOP OF L/H EMG EXIT IS INOP. R&R L/H TOP EMG EXIT SIGN IAW AMM 33-50-14Jan 8, 2026 · N670AE · Emb EMB145LRSDR AALA202601129968Battery · no testAIRCRAFT IN BASE MAINTENANCE: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 11WL DISPLAYED DURING SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Jan 8, 2026 · N423AN · Airbus A321253NXSDR AALA202601120632Power Supply · inoperativeAIRCRAFT IN BASE MAINTENANCE: SEAT PATH E-LIGHTS INOP FROM SEAT 15D TO 10D L/H AISLE DO NOT ILLUMINATE. MAITENANCE REPLACED WELS CONTROL UNIT M3351G04 IAW B787 AMM 33-51-07-01A-520A-A/720A-A.Jan 8, 2026 · N827AN · Boeing 7879SDR AALA202601106021Battery Pack · inoperativeAIRCRAFT IN BASE MAINTENANCE: AFT CREW REST AREA- EMERGENCY LIGHTS FAILED 15 MIN CAPACITY CK--LIGHTS FAILED ALL AFTER APX 9MIN, ALL EMERGENCY LIGHTS IN CREW BUNK AREA SHUT OFF. MAINTENANCE REPLACED BATTERY PACK M33142 PER SSM 33-52-51.Jan 8, 2026 · N733AR · Boeing 777323ERSDR AALA202601101663Bulb · inoperativeAIRCRAFT IN BASE MAINTENANCE: L5 DOOR EXTERIOR EMERGENCY LIGHT IS INOPERABLE (AFT OF DOOR LFT SIDE). MAINTENANCE REPLACED BULB PER IPC 35-51-11-01.Jan 8, 2026 · N733AR · Boeing 777323ERSDR SWAA2026010959463Light · inoperativeL-1 DOOR SLIDE LIGHT INOPERATIVE. REMOVED AND REPLACED LAMP IAW AMM 33-51-04. OPS CHKD GOOD.Jan 8, 2026 · N8577Z · Boeing 7378H4SDR SWAA2026010959475Battery Pack · inoperativeEXTERIOR EMERGENCY LIGHT BY THE FWD SERVICE DOOR IS INOPERATIVE. R & R FWD EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06.Jan 8, 2026 · N8813Q · Boeing 7378SDR IPXA2026010909964Light · inoperativeLAV EMERGENCY LIGHT INOP REMOVED AND REPLACED LAV LIGHT ASSY OPS GO OK FOR SERVICE REF COMMS 33-24-05Jan 8, 2026 · N174UP · Airbus A300F4622RSDR DXTA2026010906485Light · faultyDURING PREFLIGHT TEST THE EMER LTS FAILED TO ILLUMINATE IN THE ARM POSITION, RAN THE CHARGE PROCEDURE TWICE AND THEY STILL FAILED TO ILLUMINATE IN THE ARM POSITION. PERFORMED TC-FLT-33-1001 AS REQUIRED. REFERENCE STEVENS WO 25892 ITEM 2.4 IAW TC-FLT-33-1001 Jan 8, 2026 · N910QS · Cessna 680ASDR CALA2026010912833Battery Pack · inoperativeWHEN SET THE EMERGENCY LIGHT SWITCH TO THE ON MODE,FND M33094 POWER PACK CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON-ROUTIN E LOG PAGE:9492061,ORIGINATED BY EMP:V903529 ORIGINATING CARD:23 -3350-1-0001. REPLACED M33904 POWER SUPPLY BATTERY AND CARRY OUT OPJan 8, 2026 · N76010 · Boeing 777224SDR CALA2026010912832Sign · inoperativeMULTIPLE EMERGENCY EXIT SIGNS AT 1L AND 1R, 2L AND 2R INOP. FOUND DOOR 2L OVERHEAD INOP, ALL OTHER EMERGENCY LIGHTS WORK NORMAL. REPLACED EXIT SIGN 45WL AT DOOR 2L, NO HELP. NOTICED, WHEN EMERGENCY LIGHTS SWITCH IS SELECTED TO ON POSITION, ALL EMERGENCY LIGHTSJan 8, 2026 · N442UA · Airbus A320232SDR DALA2026010800188Battery Pack · no testBATTERY PACK M1672 FAILED CAPACITY CHK. REPLACED M1672 POWER SUPPLY, OPS CHK GOOD IAW AMM 33-51-06. (LP 8110168)Jan 8, 2026 · N890DN · Boeing 737932ERSDR F3LA202601080348Battery · dischargedACFT WAS NOT GROUNDED BECAUSE OF THIS SDR REPORTABLE EVENT. DEFECT WAS IDENTIFIED DURING RON MAINTENANCE; IT DIDN'T CAUSE A FLIGHT DELAY. REFERENCE LP549403 ITEM #1. DURING HEAVY CHECK EPSU BATTERY 11WL FAILED EPSU TEST, PTT FLAG BATTERY FAULT. REF AMM 33-5Jan 8, 2026 · N385FR · Airbus A320251NSDR JJBA20260108012Lamp · inoperativeFWD RT EXTERIOR EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED FWD RT EXT EMERGENCY LAMP. OPS CHECK SATJan 8, 2026 · N11164 · Emb EMB145XRSDR SIMA20260107001Light · damagedLH #5 EMERGENCY PHOTO LUMINESCENT LIGHT STRIP IS DAMAGED AND REQUIRES REPLACEMENT COMPLETE: REMOVED REPLACED EMERGENCY LH #5 PHOTO LUMINESCENT LIGHT STRIP IAW ERJ 175 AMM 33-50-21Jan 7, 2026 · N202NN · Emb ERJ170200LRSDR SWAA2026012859423Battery Pack · no testFUNCTIONAL CHECKED ALL EMERGENCY LIGHTS. PERFORMED GOOD FUNCTIONAL CHECK ALL EMERGENCY LIGHTS IAW AMM 33-51-00-710-801 EXCEPT FOR THE EMERGENCY EXIT LIGHTS ASSOCIATED WITH THE BATTERY PACK M1695 WHICH WILL BE REPLACED ON TASK CARD TTG8Q019ZEUA.Jan 7, 2026 · N8524Z · Boeing 7378H4SDR SCNA20260123041Battery Pack · inoperativeR1 DOOR EMERGENCY EXIT LIGHTS INOP - - REMOVED FWD ENTRY LIGHT AND REMOVED BATTERY PACK AT M01674 IAW AMM 33-51-06. INSTALLED SERVICEABLE BATTERY PACK AT M01674 IAW AMM 33-51-06. PERFORMED SATISFACTORY OPS CHECK OF FWD BATTERY PACK AND R1 DOOR EMERGENCY EXIT LJan 7, 2026 · N5233A · Boeing 737800*SDR SWAA2026011359319Fuse · failedPASSENGER CABIN LT NR 1 EMERGENCY AISLE LIGHT INOPERATIVE. REPLACED THE FUSE AND PERFORMED A GOOD TEST OF EMERGENCY LIGHTS IAW AMM 33-51-06-960-801, AND WDM 33-51-12.Jan 7, 2026 · N8832H · Boeing 7378SDR AALA202601123976Battery Pack · inoperativeAIRCRAFT IN BASE MAINTENANCE: EMERGENCY EXIT SIGNS, ALL THREE, AT R1 DOOR ARE INOPERABLE. MAINTENANCE REPLACED BATTERY PACK AT R1 DOOR POSITION M33094.Jan 7, 2026 · N753AN · Boeing 777223SDR AALA202601127620Slide Raft · no testAIRCRAFT WAS GROUNDED: FAULT MESSAGE FOR LEFT 2/ EMERGENCY POWER SUPPLY UNIT DISPLAYED DURING SYSTEM TEST. MAINTENANCE FOUND THE L1 (AALA202601127620) AND R1 (AALA202601128700) DOOR SLIDES CAUSING THE MESSAGE AND REPLACED BOTH OF THEM PER TASK CARD 26L00025011Jan 7, 2026 · N417AN · Airbus A321253NXSDR SCNA20260129019Light Sys · inoperativeR1 DOOR EMERGENCY EXIT LIGHTS INOPERATIVE. OPENJan 7, 2026 · N5233A · Boeing 737800*SDR AALA202601109787Bulb · inoperativeAIRCRAFT IN BASE MAINTENANCE: EMERGENCY EXIT LIGHT AT FWD SIDE OF L3 DOOR IS INOPERABLE. MAINTENANCE REPLACED LIGHT BULB ON EMERGENCY EXIT LIGHT AT FWD SIDE OF L3 DOOR OPS CHECKED GOOD IAW AMM 33-51-00.Jan 7, 2026 · N753AN · Boeing 777223
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