JASC 3397

Service difficulty reports · 22,654

Reports filed under 3397 · Light System Wiring, 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 = '3397'
  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 AALA202603092937Elec Connector · defectiveAIRCRAFT WAS NOT GROUNDED: EMERGENCY AISLE PATHWAY LIGHTING AT SEAT ROWS, 11 ABC, 12 ABC AND 13 ABC ARE INOPERATIVE. MAINTEMANCE REPLACED CONNECTOR 7261VC3-A PER AMM 33-51-08 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WIMar 8, 2026 · N549UW · Airbus A321231SDR AALA202603094136Elec Connector · looseAIRCRAFT IN BASE MAINTENANCE: ROW 19ABC EMERGENCY PATH LIGHTING INOP. MAINTENANCE FOUND CONNECTOR P2 TO BE LOOSE. CLEANED CONNECTOR PINS AND RECONNECTED EMERGENCY LIGHT CONNECTOR IAW ESPM 20-55-00.Mar 7, 2026 · N9022G · Airbus A319115SDR DALA2026030601576Elec Connector · damagedROW 43JH EMERGENCY LIGHTS INOPERATIVE, CONNECTOR DAMAGED/SHORTING. REPLACED CONNECTOR AT 43JH PER A330 WDM 33-51-23 PAGE 0111A SHEET 1 OF 3 AND ESPM 20-43-11. (8523855)Mar 6, 2026 · N851NW · Airbus A330223SDR DALA2026030501537Elec Connector · damagedSEATS 34A AND 38J EMER LIGHTS INOP. REPAIRED WIRING AND CONNECTORS PER A330 AMM 33-51. (8260248)Mar 5, 2026 · N854NW · Airbus A330223SDR CALA2026031014460Wire · exposed31D EMERGENCY PATH LIGHT WIRE EXPOSED. WIRES THAT WERE EXPOSED ARE FOR OUTLET IN USE LIGHTS. TRIM PIECE AT SEAT 31D INSERTS RIPED OUT SECURED TRIM PIECE IN PLACE NO HAZARD TO PAX. TOMC APPROVED NEF 2500BX FOR SEAT 31D TRIM SECURED IN PLACE NEF APPLIED CONFIRMEMar 4, 2026 · N17336 · Boeing 7378SDR CALA2026030514355Light · shortedEMERGENCY LIGHTS - OPS TEST WITH TEST SWITCHES PROCEDURE, MULTPLE LIGHTS ASSOCIATED WITH POWER SUPPLY M33094 INOPERATIVE. FOUND POWER SUPPLY M33094 FUSE F3 OPEN, REPLACED POWER SUPPLY AS A PRECAUTION IAW AMM 33-51-06-960-803, ON FOLLOW UP TEST, CONDITION SAMMar 4, 2026 · N213UA · Boeing 777222SDR DALA2026030401515Elec Connector · disconnectedEMERGENCY LIGHT OVER 14 FED INOP. FOUND EMERGENCY LIGHT CONNECTOR WAS DISCONNECTED. RE-CONNECTED LIGHT. FUNCTION CHECK GOOD.Mar 4, 2026 · N938DZ · Boeing 7379GPERSDR AALA202603041528Elec Connector · disconnectedAIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT ON SEAT 22C IS INOPERATIVE. MAINTENANCE FOUND THE CONNECTOR FOR THE EMERGENCY LIGHT UNPLUGGED AT THE LIGHT HOUSING, CONNECTED THE ELECTRICAL CONNECTOR AND ACCOMPLISHED A SATISFACTORY OPS CHECK OF THE EMERGENCY LIGHTINMar 3, 2026 · N102NN · Airbus A321231SDR DALA2026030401482Wire Harness · damagedSEAT ROW 24 A/B EMERGENCY LIGHTS INOPERATIVE. WIRE GOING FROM SIDEWALL TO LIGHT ASSY CONNECTOR SEPARATED. RE-TERMINATED THE SEAT 24 AB WIRE HARNESS AT WALL IAW ESPM 20-10-13. OPS CKD GOOD. (8257974)Mar 3, 2026 · N171DN · Boeing 767332SDR DALA2026030301475Wire · damagedSHIP 6805, SEAT MOUNTED EMER. LIGHT AT SEATS 1CD, 2CD, 3CD, & 4CD INOP. R & R BATTERY PACKS IAW AMM 33-51. REPAIRED EMERGENCY LIGHTS SEAT RT FIRST CLASS WIRES IAW WDM 33 -55-12. OPS CHECKED GOOD. LIGHTS AT SEATS 1CD, 2CD, 3CD, & 4CD TEST OK. (8168781)Mar 2, 2026 · N707TW · Boeing 7572Q8SDR DALA2026030301444Wire · damagedCEILING EMERGENCY LIGHTS INOPERATIVE AT SEAT 33G (LIGHT 42WL) AND AT L3 DOOR BY EXIT SIGN. REPLACED THE LIGHT ASSY AND REPAIRED WIRING IAW AMM 33-51. (8260132)Mar 2, 2026 · N857NW · Airbus A330223SDR SWAA2026030575654Pin · disengagedSEAT ROW 14FED OVERHEAD EMERGENCY LIGHT INOPERATIVE. ON INVESTIGATION; FOUND PIN B NOT FULLY ENGAGED IN CONNECTOR D14816. TERMINATED IAW WDM 33-51-12 AND PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-03-960-805, STEP 5.D.(3).Mar 1, 2026 · N8610A · Boeing 7378H4SDR DALA2026030301464Wire Harness · damagedSEAT 48G SEAT MOUNTED EMERGENCY LIGHT BROKEN AND MISSING. LIGHT ASSEMBLY MISSING AND DISCONNECTED FROM CONNECTOR. ITEM DEF TO MEL 33-50-07A. INSTALLED PLACARD, NO (M)PROCEDURE. OK FOR SVC. REPAIRED HARNESS PER A350 ESPM 20-48-14 AND INSTALLED NEW SEAT LIGHT. OMar 1, 2026 · N518DZ · Airbus A350941SDR CALA2026030314250Wire · not seatedEMERGENCY LIGHT ON SEAT 31ABC INOPERATIVE. FOUND CONNECTOR AT SEAT 31ABC EMERGENCY LIGHT WIRES NOT SEEDED PROPERLY, REINSTALLED WIRES IAW AMM 33-51-11, AND SWPM 20-42-01. OPS CHECKED GOOD IAW AMM 33-51-11-403-069.Mar 1, 2026 · N19136 · Boeing 757224SDR SWAA2026030374508Elec Connector · brokenAFT COVE BULLNOSE HAS BROKEN AISLE LIGHT CONNECTOR. REPLACED AISLE LIGHT CONNECTOR IAW SWPM 20-63-02, & WDM 33-51-14-13. FUNCTIONAL TEST WILL BE PERFORM IN TASK CARD TTG8Q01AJFUK.Feb 26, 2026 · N8610A · Boeing 7378H4SDR AALA202602272780Feeder Cable · inoperativeAIRCRAFT IN BASE MAINTENANCE: ROW 3AB EMERGENCY PATH LIGHTING INOPERATIVE. REMOVED AND REPLACED FLOOR PROXIMITY LIGHT CABLE BETWEEN SEAT ROW 2AB AND 3AB. PER AMM 33-51-11. OPS CHECKED GOOD.Feb 26, 2026 · N950NN · Boeing 737823SDR DALA2026022701381Wire · brokenFOUND PROXY LIGHT OUT AT SEATS 26 & 27 DEF. FOUND NO POWER AT 26&27 D.E.F. FOUND POWER AT 9158VC, FOUND BROKEN WIRE AT 9158VCA IN B POSITION. RE-TERMINATED AT SAME LOCATION. LIGHT OP CHK NORMAL PER A319 AWM 33-51 & ESPM 28-48& AMM 33-51. (LP: 8243511)Feb 25, 2026 · N320NB · Airbus A319114SDR DALA2026022601364Wire · miswiredAIRCRAFT 3012, L1 DOOR LOWER EMERGENCY EXIT SIGN INOP. CORRECTIVE ACTION: FOUND WIRES HAD BEEN CONNECTED BACKWARDS. CORRECTED WIRING CONNECTION. (LP 8584187)Feb 25, 2026 · N312DN · Airbus A321213SDR CALA2026022614105Contact · unsecureEMERGENCY PATH LIGHT AT SEAT 30ABC WAS INOPERATIVE, REPLACED LIGHT ASSEMBLY, NO HELP. FOUND POWER TO BE INTERMITTENT ON THE CONNECTION AT THE FLOOR. RESECURED CONTACTS IAW WDM 33-51-22 OPS CHECK GOOD.Feb 25, 2026 · N61887 · Boeing 737924ERSDR ASAA2026022464529Elec Connector · disconnectedWHILE PERFORMING T/C 32-010-00, FOUND EMERGENCY LIGHT OVERHEAD OF ROW 1 INOPERATIVE. GROUNDED - YES. FOUND EMERGENCY AISLE LIGHT CONNECTOR DISCONNECTED, PERFORMED GVI OF CONNECTORS FOUND NO DAMAGE OR BROKEN PARTS. RECONNECTED CONNECTORS PERFORMED OP CHECK, OP Feb 24, 2026 · N924AK · Boeing 7379SDR AALA202603030126Feeder Cable · brokenAIRCRAFT WAS NOT GROUNDED: SEAT ROW 9ABC EMERGENCY ESCAPE PATH LIGHT INOPERATIVE. MAINTENANCE FOUND EMERGENCY LIGHT SEAT HARNESS / CABLE HAD A BROKEN WIRE / PIN AT SEAT 9ABC AND REPLACED PER AMM 33-51-00. A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHFeb 23, 2026 · N932AM · Airbus A321231SDR AALA202602276772Wire · brokenAIRCRAFT WAS GROUNDED: SEAT ROW 35 ABC AND 36ABC EMERGENCY PATH LIGHTS ARE INOPERATIVE. MAINTENANCE FOUND A BROKEN WIRE ON THE EMERGENCY LIGHT HARNESS AND REPAIRED IT PER ESPM 20-48-21. A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WAS ACCOFeb 23, 2026 · N932AM · Airbus A321231SDR HNAA2026022400153Wire · damagedEMERGENCY LIGHT ON SERVICE DOOR IS NOT ILLUMINATING. FOUND W76-0007-20 BROKEN. REPAIRED W76-0007-20 IAW SWPM 20-21-00. OP CHECKED SERVICE DOOR EMERGENCY LIGHT IAW AMM 33-50-00-700-801-A. OP CHECK GOOD.Feb 22, 2026 · N908AE · Emb EMB145LRSDR AALA202602238747Wire · unsecureAIRCRAFT WAS NOT GROUNDED: 12C SEAT MOUNTED EMERGENCY EXIT LIGHT INOPERATIVE. MAINTENANCE RESECURED WIRE CONNECTION FOR 12C SEAT MOUNTED EMERGENCY EXIT LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM PER CMM 25-21-61 WIFeb 22, 2026 · N507AY · Airbus A321231SDR CALA2026022314009Elec Connector · disconnectedLAVATORY S EPL MONUMENT LIGHT INOPERATIVE. FOUND CONNECTOR DISCONNECTED UNDER SEAT 4B. RECONNECTED. MONUMENT LIGHT OPS CHECKED GOOD IAW AMM 33-51-11.Feb 21, 2026 · N19117 · Boeing 757224SDR CALA2026022313990Elec Connector · damagedPASSENGER SEAT 44F EMERGENCY PATH LIGHTING (EPL) LENS MISSING. R & R THE PASSENGER SEAT 44F EMERGENCY PATH LIGHT (EPL) REFER TO AMM DMC-B787-A-33-51-06-00A-520A-A AND AMM DMC-B787-A-33-51-06-00A-720A-A. PERFORMED THE EMERGENCY LIGHTS FROM THE FLIGHT DECK OPS Feb 20, 2026 · N29961 · Boeing 7879SDR YENA2026022500236Terminal · detachedFLT #1014 CUN-MCO. "RED EMERGENCY EXT LIGHT AT SEAT 9C INOPERATIVE. FOUND TERMINAL END DISCONNECTED FROM THE SOCKET, RECONNECTED THE TERMINAL END AND INSTALLED THE HARNESS PER AMM 31-50-00 OPS CHECK GOOD.Feb 19, 2026 · N521JB · Airbus A320232SDR DALA2026022301276Elec Connector · looseSHIP 1603 EMERGENCY LIGHT AT SEAT 38BA INOP. CORRECTIVE ACTION: FOUND CONNECTOR LOOSE, RE SECURED SAME. OPS CHK NML. REF B 767 AMM 33-51. OK FOR SVC. (8563763)Feb 19, 2026 · N1603 · Boeing 767332SDR CALA2026022313972Wire Harness · damagedCABIN EMERGENCY LIGHT TEST FAILED WITH MESSAGE "EPSU EXT LOAD FWD L" SUSPECT DOOR 1L SLIDE HAS INTERNAL LIGHT FAILURE REF AMM 33-51-00-710-001-A FOUND BROKEN WIRE BETWEEN CONNECTOR 2871VC AND 2819VC. BROKEN WIRE IS MID POINT WHERE DOOR HINGE. BROKEN WIRE WAS Feb 19, 2026 · N431UA · Airbus A320232SDR AALA202602220981Wire · brokenAIRCRAFT WAS NOT GROUNDED: ROW 22ABC EMERGENCY LIGHT INOP. MAINTENANCE FOUND WIRE BROKEN AT CONNECTOR 5751VC-A INSTALLED NEW CONTACT AND RE-PINNED IT INTO 5751VC-A IAW ESPM 20-53-55.Feb 19, 2026 · N122US · Airbus A320214SDR YENA2026022500235Wire · brokenFLT # 1437 BDL-MCO. "EMERGENCY EXIT LIGHTS OVER WING AND OVERHEAD DONT ILLIMINATE.;FOUND NOSMOKING SWITCH 190RH WIRE BROKEN AT 2D, RECRIMPED AS PER A320 ESPM 20-45-21, PERFORMED OPS CHK OF THE EMERGENCY LIGHTS AND NOSMOKING SYS AS PER AMM 33-50-00, FOUND NORMAFeb 18, 2026 · N504JB · Airbus A320232SDR JJBA20260220057Wire · brokenMCD EXTERNAL EMERG LIGHT INOPERATIVE. FOUND BROKEN WIRE BEFORE SPLICE SP7426 REPAIRED WIRE. R/R MCD EXT EMER LIGHT ASSY OPS CHECK SAT.Feb 18, 2026 · N13124 · Emb EMB145XRSDR DALA2026022001231Pin · damagedSHIP 6810 EMERGENCY PATH LIGHTS INOP FROM ROW 37-44. CORRECTIVE ACTION: FOUND PIN PUSHED OUT OF CONNECTOR AT SEAT ROW 36. REINSERTED PIN AND LOCKED IN PLACE. ROWS 37-44 OPS CHECKS NORMAL. REF BOEING SWPM CHP 20. (8485887)Feb 18, 2026 · N721TW · Boeing 757231SDR AALA202602193581Elec Connector · unsecureAIRCRAFT WAS GROUNDED: EMERGENCY LIGHT ON SEAT 2C INOPERATIVE. MAINTENANCE RESECURED CONNECTOR ON SEAT 2C EMERGENCY LIGHT WIRE HARNESS AND ACCOMPISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM PER AMM 33-51-11 WITH NO ISSUES NOTED.Feb 16, 2026 · N150NN · Airbus A321231SDR AALA202602167198Wire Harness · no testAIRCRAFT WAS NOT GROUNDED: SEAT 1C EMERGENCY WHITE LIGHT INOPERATIVE. MAINTENANCE FOUND THE EMERGENCY LIGHTING HARNESS INSIDE OF THE SEAT ENDBAY WAS DEFECTIVE AND REPLACED THE SEAT END BAY WITH A SERVICABLE UNIT THAT ALSO CONTAINED A SERVICEABLE HARNESS PER CMFeb 16, 2026 · N150NN · Airbus A321231SDR DALA2026021701107Wire · damagedLEFT LAST 5 ROWS EMERGENCY LIGHTS INOPERATIVE. REPAIRED WIRING IAW CMM 33-52. OPS CHKD GOOD. (8556669).Feb 15, 2026 · N802NW · Airbus A330323SDR DALA2026021601054Wire · looseAIRCRAFT 3014, ON SVC EMERGENCY PATH LIGHTS ROWS 15,16,19,20,23,24,30,31,31,36,37 OUT. FOUND LOOSE WIRE AT ROW 37ABC, BELIEVED TO OF SHORTED AGAINST SEAT. FIXED WIRE PER A321 AMM 20-90. REPLACED EPSU 11WL AND 15WL PER A321 AMM 33-51. (LP 7212781)Feb 15, 2026 · N314DN · Airbus A321213SDR DALA2026021701072Elec Connector · looseDURING SERVICE CHECK FOUND ROW 21AB EMERGENCY LIGHT INOP. TROUBLESHOT IAW TSM 35-51-XX. RE SECURED LOOSE CONNECTOR. OPS CHECK OK. AC OK FOR SVC. (LP# 8450561)Feb 14, 2026 · N515DN · Airbus A350941SDR SWAA2026021670775Wire · disconnectedL2 DOOR EMERGENCY LIGHT SIGN LENS BROKEN OFF AND ONE WIRE OF LT ASSY MISSING. CONNECTED WIRES & R & R THE L2 DOOR LOWER EMERGENCY SIGN ASSY IAW AMM 33-51-01.Feb 14, 2026 · N494WN · Boeing 7377H4SDR AALA202602169423Elec Connector · disconnectedAIRCRAFT WAS NOT GROUNDED: SEAT 1AC EMERGENCY LIGHT INOPERATIVE. TROUBLESHOT SEAT ROW 1AB, PER B737-NGWDM 33-51-21 AND FOUND A LOOSE POWER CONNECTION GOING TO THE SEAT MOUNTED EMERGENCY LIGHTS. CORRECTED WIRING, PER B737-NG WDM 33-51-21 AND PERFOREMED SATISFACFeb 14, 2026 · N869NN · Boeing 737823SDR DALA2026021601058Pin · damagedEMERGENCY AREA LIGHT INOPERATIVE ABOVE ROW 12ABC. FOUND PIN PUSHED BACK AT CONNECT D12062 REINSTALLED PIN OPS CHECK GOOD.Feb 14, 2026 · N381DN · Boeing 737832SDR CALA2026021613816Wire · disconnectedLAV S EPL MONUMENT LIGHT INOPERATIVE FOUND LIGHT DISCONNECTED UNDERNEATH SEAT 4B. RECONNECTED. OPS CHKD GOOD IAW AMM 33-51-11.Feb 14, 2026 · N13113 · Boeing 757224SDR AALA202602194696Elec Connector · looseAIRCRAFT WAS NOT GROUNDED: SEAT ROW 32ABC HAS AN INOPERATIVE WHITE EMERGENCY LIGHT. MAINTENANCE FOUND LOOSE CONNECTOR ON SEAT 32ABC, SECURED CONNECTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM PER AMM 33-51-19 WITH NO Feb 13, 2026 · N149AN · Airbus A321231SDR DALA2026021701108Wire · damagedSEAT MOUNTED WHITE EMERGENCY LIGHTS INOPERATIVE AT ROW 49B & 49H. R & R BOTH SEAT MOUNTED LIGHTS & REPAIRED WIRING IAW AMM 33-51. (8165934).Feb 13, 2026 · N808NW · Airbus A330323SDR DALA2026021701084Pin · unsecureROW 22 DEF EMERGENCY LIGHT INOPERATIVE. SECURED THE PINS IAW B757 AMM 33-51. EMERGENCY LIGHT WORKS NORMAL. (8486014)Feb 13, 2026 · N709TW · Boeing 7572Q8SDR CALA2026021713824Control Unit · faultedSEAT 33DEF TO 38DEF EMERGENCY LIGHTS DO NOT ILLUMINATE WHEN SET TO ON. WCU AT THE SEAT PAN 43D SWAPPED TO WCU AT SEAT PAN 39D, MAINT MSG:33-11726 WAS ERASED. NEW WCU REPLACED ON SEAT PAN 39D. ORIGINAL WCU ON SEAT PAN 43D RESTORED BACK. MAINT MSG:33-13126Feb 13, 2026 · N26906 · Boeing 7878SDR AALA202602168295Wire · brokenAIRCRAFT WAS NOT GROUNDED: DURING PS CHECK, MAINTENANCE FOUND BROKEN WIRE ON EMERGENCY EXIT LIGHTS FOR CONNECTOR IN LAST TWO LH ROWS CAUSING NO LIGHTS. RE-INSERTED PUSHED PIN AT EMERGENCY EXIT LIGHT AT SEAT 26 PER ESPM 20-48-21.Feb 13, 2026 · N750UW · Airbus A319112SDR CALA2026021613814Control Unit · faultedAHM DETECTED WELS MMSG {33-11726} *CLASS 26 - DOOR 3 LT FWD SEAT REMOTE WELS CONTROL UNIT LAMP DRIVER POWER CIRCUIT IS FAILED. REF FIM DMC-B787-A-33-50-F1-E7A-421A-A TO ISOLATE FAULT. REF CONFIG DWG 2500DD15835 TO LOCATE WCU CLASS 26 M3351WG04 UNDERNEATH SEATFeb 13, 2026 · N26906 · Boeing 7878SDR F3LA202602130368Elec Connector · contaminatedFAULT HAPPENED DURING A RON MAINTENANCE VISIT, NO FLIGHT DELAY AS A RESULT, AC WAS NOT GROUNDED AS A RESULT OF THE SDR REPORTABLE EVENT. REFERENCE LP498087 #2 DURING EPSU TEST FAULT EXTERIOR LT 2/EPSU (1WL) FWD L, FAULT FOUND. REF NON-ROUTINE #141147. FOUND Feb 13, 2026 · N370FR · Airbus A320251NSDR AALA202602137616Light · disconnectedAIRCRAFT IN BASE MAINTENANCE: FOUND EMERGENCY FLOOR PROXIMITY LIGHT AT 29H, DISCONNECTED. MAINTENANCE INSTALLED NEW FLOOR PROXIMITY LIGHT IAW AMM 33-51-06, OPS CHECK GOOD.Feb 12, 2026 · N870AX · Boeing 7878
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