N77431

Service difficulty reports · 44

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 = 'N77431' 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 CALA2026060116715Fscu · faultedFLAPS FAILED TO RETRACT PAST 5 ON DEPARTURE. CREW ERROR WENT PASSED DETENT INTENDED TO FAST AND LOCKED OUT FSCU. RESET CIRCUIT BREAKER OF FSCU, ALL FLAPOPERTIONS NORMAL. REF FIM 32-09 814. PER THE CAPTAIN HE STATED TOOK OFF AT FLAPS 5 FLAP LEVER WAS NOT IN TMay 29, 2026 · N77431 · Boeing 737924ER · Trailing Edge Flap Control SystemSDR CALA2025112811542Lamp · inoperativeEMERGENCY LIGHTS OPERATIONAL CHECK - EEL AT ROW 24 IS INOPERATIVE. RELAMPED FLOOR PROXIMITY LIGHT FOR SEAT 24 IAW AMM 33-51-11-960-801. OPS CHECKED GOOD.Nov 26, 2025 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2025110310851Slide · no discrepancyR1 DOOR SLIDE TAB EXCESS MATERIAL STICKING OUT. INSPECTED R1 SLIDE TAB FOR EXCESS, INSPECTION FOUND TO BE WITHIN THE LIMITS IAW AMM 25-66-01. NO OTHER DEFECTS NOTED.Oct 31, 2025 · N77431 · Boeing 737924ER · Escape SlideSDR CALA2025110310850Bustle · damagedESCAPE SLIDE PACK BUSTLE DAMAGED 2R GIRT BAR IS UNABLE TO BE STOWED. ESCAPE SIDE PACK CHECK REF AMM 25-66-01-200-802. OK TO CONTINUE.Oct 31, 2025 · N77431 · Boeing 737924ER · Escape SlideSDR CALA2025081107575Light · shortedSEAT EMERGENCY LIGHTS FROM ROW 15-22 ARE INOPERATIVE. REPLACED FUSES F2 & F3 ON THE M1694 EMERGENCY LIGHT POWER SUPPLY, NO HELP. SLAVED IN A NEW EMERGENCY LIGHT BATTERY, NO HELP. SLAVED IN A KNOWN OPERABLE POWER SUPPLY AND BATTERY, NO HELP. MEASURED RESISTANAug 9, 2025 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2025080707419Slide · unsecureDOOR 1R ESCAPE SLIDE APPEARS TO BE FALLING OUT OF PACK. SECURED SLIDE PACK AT DOOR 1R MM REF25-66-01Aug 6, 2025 · N77431 · Boeing 737924ER · Escape SlideSDR CALA2025041803996Battery Pack · no testEMERGENCY LIGHTING SYSTEM FAIL FUNCTIONAL CHECK M1673. (REF AAR NR 1000030861). REMOVED AND INSTALLED EMERGENCY BATTERY PACK ASSY IAW B737 AMM 3 3-51-06-960-805. TEST OK.Apr 17, 2025 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2025041803981Battery Pack · dischargedEMERGENCY LIGHTING SYSTEM FAIL FUNCTIONAL CHECK M1671 (REF AAR N R 1000030860). REMOVED AND INSTALLED EMER BATTERY PACK ASSY IAW B737 AMM 33-51- 06-960-805. TEST OK. (M1671) BATTERY PACK FAILED FUNCTIONAL CHECK DURING D CHECK IN RFD. REMOVED AND INSTALLED EMEApr 17, 2025 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2025041803980Battery Pack · dischargedEMERGENCY LIGHTING SYSTEM FAIL FUNCTIONAL CHECK M1695 (REF AAR N R 1000030859). REMOVED AND INSTALLED BATTERY PACK ASSY M1695 IAW B737 AMM 33-51 -06-960-805. TEST OK FAILED FUNCTION CHECK DURING D CHECK IN RFD, SDR GENERATED. REMOVED AND INSTALLED BATTERY PAApr 17, 2025 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2025031702846Floor Support · corrodedFWD WET AREA, CORROSION OUT OF LIMITS ON INTERCOSTAL BTW STA 294.5 TO STA 303.9 LBL 8 REQUIRE REPLACE (REF: AAR NR 1000031076) REMOVED AND REPLACED INTERCOSTAL FWD WET AREA BTW STA 294.5 TO STA 303.9 LBL 8 ALL WORK DONE IAW B737-900E ER AMM 20-60-07-913-801, DMar 14, 2025 · N77431 · Boeing 737924ER · Fuselage Miscellaneous StructureSDR CALA2025031302755Seat Track · corrodedMID WET AREA PASSENGER SEAT TRACKS HAS CORROSION AT STA 500D TO 500F LBL 25 (REF AAR NR 1000031086). ESFR COMPLETED. ESFR COMPLETEDMar 8, 2025 · N77431 · Boeing 737924ER · Fuselage, Seat/Cargo Attach FittingsSDR CALA2025031002653Floor Support · corrodedFWD WET AREA PASSENGER FLOOR STRUCTURE HAS CORROSION AT STA 328- 344 LBL 23 (REF AAR NR 1000031085) ESFR COMPLETED REMOVED AND REPLACED FWD WET ARE PASSENGER FLOOR STRUCTURE SUPPO RT STA 328-344 LBL 23 IAW B737-900ER SRM 51-40-02-0G-0 STEP 7, 5 1-10-02-09-0 STMar 5, 2025 · N77431 · Boeing 737924ER · Fuselage Miscellaneous StructureSDR CALA2025030402581Intercostal · corrodedAFT WET AREA, CORROSION OUT OF LIMITS ON INTERCOSTAL BTW STA 947.5 TO STA 967 RBL 47 REQUIRE REPLACE (REF AAR NR 1000031075)Mar 4, 2025 · N77431 · Boeing 737924ER · Fuselage Miscellaneous StructureSDR CALA2025030402580Floor Support · corrodedFWD WET AREA PASSENGER FLOOR STRUCTURE HAS CORROSION STA 328-344 LBL 44 (REF AAR NR 1000031084) ESFR COMPLETED REMOVED AND REPLACED FWD WET ARE PASSENGER FLOOR STRUCTURE SUPPORT BTW STA 328-344 LBL 44 IAW B737-900ER SRM 51-40-02-0G-0 STEP 7, 51-40-05-0G-0 51-1Mar 4, 2025 · N77431 · Boeing 737924ER · Fuselage Miscellaneous StructureSDR CALA2025030402579Web · corrodedCORROSION ON FWD CARGO COMPARTMENT WEB, REQUIERE REPLACEMENT (REF AAR NR 1000031047). ESFR CONPLETED. REPLACED WEB AT FWD CARGO COMPARTMENT IAW SRM 51-40-0 2-G0, DWG 143A8122 REV, SRM 51-40-05-0G-0, SRM 51-40-08-0G SRM 5 1-40-08-0G STEP 14, AMM 51-21-41-370-80Mar 4, 2025 · N77431 · Boeing 737924ER · Fuselage Miscellaneous StructureSDR CALA2025030402578Fitting · damagedAFTER REMOVAL OF THE DAMAGE MACHINED INTERCOSTAL AND FITTING FOUND DAMAGE CORROSION UNDER HARD POINT GALLEY FITTING REQUIRE REPAIR FLOOR BEAM STA 947.5 RBL 46 (REF: AAR NR 1000031077) ESFR COMPLETED PERFORMED REPAIR AT FLOOR BEAM STA 947.5 RBL 46 IAW B737-900EMar 4, 2025 · N77431 · Boeing 737924ER · Fuselage, Equipment Attach FittingsSDR CALA2025030402575Seat Track · corrodedMID WET AREA PASSENGER SEAT TRACKS HAS CORROSION AT STA 500D TO 500E LBL 46 (REF AAR NR 1000031087) ESFR COMPLETED REPAIRED SEAT TRACKS AND CHANNEL ON MID WEST AREA BETWEEN STA 50 0B TO 520 LB2 46 ALL WORK IS DONE IAW B737-900ER AMM 20-60-07-91 3, SRM 53-00-52Mar 4, 2025 · N77431 · Boeing 737924ER · Fuselage, Seat/Cargo Attach FittingsSDR CALA2024112201249Fuse · inoperativeEMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - EMERGENCY FLOOR PROXIMITY LIGHT FROM ROW 26 TO ROW 14 INOP. REMOVED AND REPLACED POWER SUPPLY FUSE IN REFERENCE AMM 33-51-06-960-804. OPS CHECK GOODNov 21, 2024 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2024101100820Battery Pack · inoperativeDOOR 1L EMER EXIT LIGHT OUT REMOVED AND REPLACED BATTERY PACK M1675 REF WDM 33-51-12-6 AND AMM 33-51-06, OPS CHECK GOODOct 9, 2024 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2024032200842Sign · damagedEMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - DOOR 1R EMERGENCY LIGHT EXIT SIGN MISSING FRONT COVER AND ALL BULBS INOP. RELAMPED ENTIRE SIGN REF AMM 33-51-01-960-801. NO JOY. REQUIRES ENTIRE ASSY. PARTS USED: OL3071BPEGPL,QTY :5 REPLACED LIGHTMar 22, 2024 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2023042401239Pump · failedENG 1 LOW PRESSURE LIGHT LIGHT ON LIGHT CAME ON DURING CLIMBOUT PASSING APPROX 15K FEET UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. ROTABLE PARTS ENTRY MADE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1406150 SNApr 24, 2023 · N77431 · Boeing 737900ER · Hydraulic Pump (Electric/Engine), MainSDR CALA2023012500208Tube · leakingENG FAIL MESSAGE SHOWS OVER EGT INDICATION ENGINE 2 RT ENG FAIL UNABLE TO RESTART DIVERT TO KLAX 29-7300-3-0049,QTY :1 29-7300-3-0011,QTY :1 AS REQUESTED PERFORMED FIM TASK 73-05 TASK 805 STEP E(2) EEC BITE IMAGES ATTACHED. DAMAGED LEAKING FUEL LINE AND GASKEJan 25, 2023 · N77431 · Boeing 737924ER · Engine Fuel DistributionSDR CALA2022110203015Light · damagedFWD SEAT MOUNTED EMERGENCY LIGHT ON ROW 3AB DAMAGED. REMOVED AND REPLACED LIGHT ASSY REF MM 33-51-11. OPS CK OK. BOTH LIGHTS INSTALLED AND OPERATIONALNov 1, 2022 · N77431 · Boeing 737990ER · Emergency LightingSDR CALA2022020700339Light · fault messageBOTH PACK LIGHTS ILLUM MID CRUISE AT FL330 PERFORMED OPERATIONAL CHECK OF AIR CONDITION PACK SYSTEM REF AMM 21-00-00-800-803, NO FAULTS FOUND. PER LP 7939006 BOTH PACK LIGHTS ILLUM MID CRUISE AT FL330 PERFORMED OPERATIONAL CHECK OF AIR CONDITION PACK SYSTEM REFeb 7, 2022 · N77431 · Boeing 737900 · Air Conditioning SystemSDR CALA2021111002078None · missingPDA 3 RIGHT WING OUTBD AFT T/EDGE FLAP AERODYNAMIC SEAL ON LEADING EDGE MISSING/BROKEN JUST OUTBOARD OF #7 FLAP CANOE FAIRING-- SEE PHOTO ONLY 1 MISSING - REQUEST CDL 57BZ CDL APPLIED -- PARTS ADDED PER IPC 27-51-22-01 ITEM 122 DISPATCH DESK: 05 NAME: TK Nov 10, 2021 · N77431 · Boeing 737924ER · Wing StructureSDR CALA2020121801400Light · inoperativeRIGHT FWD OVER WING EXIT, EXTERIOR EMERGENCY EGRESS LIGHT INOPERABLE. RELAMPER, REF AMM 33-51-04 ADD EMP: U166355.Dec 17, 2020 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2020091501100Control Panel · malfunctionedINFLT WX RADAR FAILED SCREEN SHOWS WXR FAIL CONT STAB. REMOVED AND REPLACED WEATHER RADAR TRANSCEIVER M.M. 34-43-41. DURING OPS CHECK M.M. 34-43-00 WEATHER RADAR WOULD NOT TEST. TEST LIGHTS ON RADAR CONTROL PANEL WERE INTERMINTENT. REMOVED AND REPLACED RADSep 11, 2020 · N77431 · Boeing 737924ER · Independent Position Determining SystemSDR CALA2020030700605Sign · missingEMER EXIT INDICATOR SIGN MISSING FROM GALLEY WALL JUST AFT OF DOOR 2 LEFT. SEE IPC 33-51-01-06F ITEM 55Y. LOCATED WIRING THROUGH ACCESS PANEL IN G4GALLEY COMPARTMENT 437. INSTALLED AND TESTED EMERGENCY LIGHT REF AMM 33-51-14. OPS CHECKS NORMAL. ACCESS PANEL SMar 6, 2020 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2019060700899Seat Track · corrodedMAIN CABIN SEAT TRACK HAS CORROSION AT STA 500C LBL 45.4 - REF FLEET CYCLE LOG PAGE 9672794 SEE FLEET CYCLE LOG 9672794 FOR DETAILS OF WORK ACCOMPLISHED. SPLICED IN NEW SECTION OF SEAT TRACK FROM STA 480 TO STA 500C + 10" PER SRM 53-00-52 REPAIR 4.Jun 5, 2019 · N77431 · Boeing 737924ER · Fuselage, Seat/Cargo Attach FittingsSDR CALA2019060700896Seat Track · corrodedMAIN CABIN SEAT TRACK HAS CORROSION AT STA 500C LBL 24.75. SPLICED IN NEW SECTION OF SEAT TRACK FROM STA 480 TO STA 500C + 10" PER SRM 53-00-52 REPAIR 4.Jun 5, 2019 · N77431 · Boeing 737924ER · Fuselage, Seat/Cargo Attach FittingsSDR CALA2019060400879Skin · crackedLT. HORIZONTAL STAB. CRACKED AT STA 147.9. REPAIRED LH HORIZONTAL LOWER INSPAR SKIN AT STA. 147.9 REF 737 SRM 55-10-01 REPAIR 11. DIP REQUIRED-INSPECTION THRESHOLD OF 56000 TOTAL FLT CYCLES AND 9000 FLT CYCLES THERAFTER. ADD EMP:U105472 TOMC APPROVES DIP, INSPJun 2, 2019 · N77431 · Boeing 737924ER · Horizontal Stabilizer, Plate/SkinSDR CALA2019060400878Skin · crackedLT HORIZONTAL STAB CRACKED AT STA 193.9. REPAIRED LH HORIZONTAL LOWER INSPAR SKIN AT STA. 193.9 REF 737 SRM 55-10-01 REPAIR 11. DIP REQUIRED-INSPECTION THRESHOLD OF 56000 TOTAL FLT CYCLES AND 9000 FLT CYCLES INTRVLS THERAFTER. ADD EMP:U105472 TOMC APPROVES DIPJun 2, 2019 · N77431 · Boeing 737924ER · Horizontal Stabilizer, Plate/SkinSDR CALA2017060501722Battery Pack · inoperativeDURING AN EMERGENCY LIGHT TEST, FIRST CLASS FLOOR, R1 DOOR, L2 DOOR, ROWS 27-39 FLOOR AND STOWBIN LIGHTS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACKS M1673 , M1674, AND M2626. OPS CHECKED OK IAW MM 33-51-06-960-805.Jun 5, 2017 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2017042801173Light · inoperativeEMERGENCY EXIT LIGHT AT L1 DOOR EXTERIOR, INOP. REPLACE BULB 767, OPS OK.Apr 28, 2017 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2017032400713Battery · inoperativeEMERGENCY LIGHTS ON STOW BINS INOPERATIVE AT ROW 30DEF. REPLACED EMERGENCY POWER SUPPLY BATTERY, OPS CHECKED GOOD IAW MM 33-5 1-00.Mar 24, 2017 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2017030600553Battery Pack · dischargedFOUND ON WALK AROUND 2 SVC R2 DOOR EMERGENCY LIGHT INOP. REPLACED BATTERY PACK OPS CKS NORMAL.Mar 6, 2017 · N77431 · Boeing 737924ER · Emergency LightingSDR CALA2017021300362Battery · dischargedFWD EMERGENCY LT OVER DOOR 1L INOP. REPLACED FWD EMER LT BATTERY AND CHARGER. OP CHECK GOO VERIFIED FWD LT DR EMERGENCY LT OPERATION. OP CHECK OK.Feb 13, 2017 · N77431 · Boeing 737924 · Emergency LightingSDR CALA2015042800338Fan · defectiveELECTRICAL SMELL IN FWD GALLEY SPREAD THROUGHOUT CABIN, DIVERTED. WHILE PERFORMING SMOKE ODOR CONDITIONAL INSPECTION IAW AMM 05-51-2 6-801C, FOUND LT RECIRC FAN CB POPPING. R & R LT RECIRC FAN IAW AMM 21-25-02. R & R AIR FILTERS IAW AMM 21-25-01.Apr 28, 2015 · N77431 · Boeing 737924 · Air Distribution FanSDR CALA2014103101415Ecu · faultyPERFORMED HIGH ACT APU START FOR TOMC. NEEDED 3 ATTEMPTS TO GET APU RUNNING. WHEN ON GND APU STARTED BUT NO APU GEN FAULT CODE, APU ECU M1709 BAD, PN 29-4961-9-0002. R & R APU ECU IAW AMM 49-61-12, ALL OPERATIONS CHECKED GOOD AT THIS TIME. RAN APU 3 TIMES Oct 31, 2014 · N77431 · Boeing 737924 · APU ControlsSDR CALA2013111800847Skin · crackedRT HORIZONTAL STAB LOWER SKIN BY STATION 101.90 CRACK FOUND. 19" FROM REAR SPAR LENGTH OF ABOUT 1" LONG IAW EA 5510-01843 REV C REF LG PG 9629509 STATION 101.90. CRACKS AT 10" & 19" HAVE BEEN REPAIRED IAW SRM 55-10-01 REPAIR 11.Nov 17, 2013 · N77431 · Boeing 737924 · Horizontal Stabilizer, Plate/SkinSDR CALA2013083000593Charger · failedFORWARD RT EMERGENCY BATTERY CHARGER EQUIPMENT M01674 FAILED AFTER BATTERY CHANGE. REPLACED BATTERY CHARGER EQUIPMENT M01674 IAW AMM 33-51-06. OPERATION CHECKED NORMAL.Aug 28, 2013 · N77431 · Boeing 737924 · Emergency LightingSDR CALA2013083000592Battery Pack · dischargedAFT LEFT EMERGENCY BATTERY EQUIPMENT M01673 FAILS CAPACITY CHECK. REPLACED EMERGENCY BATTERY EQUIPMENT M01673 IAW AMM 33-51-06. OPERATION CHECKED NORMAL.Aug 28, 2013 · N77431 · Boeing 737924 · Emergency LightingSDR CALA2013083000591Battery Pack · dischargedMIDDLE LIGHT EMERGENCY BATTERY EQUIP M01694 FAILS CAPACITY CHECK. REPLACED BATTERY EQUIPMENT M01694 IAW AMM 33-51-06. OPERATIONS CHECKED NORMALAug 28, 2013 · N77431 · Boeing 737924 · Emergency LightingSDR CALA2013083000590Battery Pack · dischargedFORWARD RT EMERGENCY BATTERY EQUIPMENT M01674 DOES NOT PASS CAPACITY TEST. REPLACED RT FORWARD EMERGENCY LIGHT BATTERY & POWER SUPPLY IAW AMM 33-51-06. OPERATIONS CHECKED NORMAL. EQUIPMENT M01674, M/E 29-3351-3-0013Aug 28, 2013 · N77431 · Boeing 737924 · Emergency Lighting
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