N77539

Service difficulty reports · 31

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 = 'N77539' 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 CALA2026081418615Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M1676 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1676. OPS CHKD GOOD IAW AMM 33-51-06-960-805.Aug 13, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026081418613Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M1670 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1670. OPS CHKD IAW AMM 33-51-06-960-805.Aug 13, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026081418611Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M1695 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1695 AND OPS CHKD GOOD IAW AMM 33-51-06-960-805.Aug 13, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026081418609Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M2335 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M2335 AND OPS CHKD GOOD IAW AMM 33-51-06-960-805.Aug 13, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026081418607Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M1694 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1694 AND OPS CHECKED GOOD IAW AMM 33-51-06-960-805.Aug 13, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026081418605Battery Pack · faultedEMERGENCY LIGHT BATTERY PACK M1671 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AND OPS CHKD GOOD IAW AMM 33-51-06-960-805.Aug 13, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026081118486Plate · corrodedLOWER TCAS ANTENNA MOUNTING SURFACE SKIN HAD GOUGES AND CORROSION. REMOVED AND REPLACED ADAPTER PLATE IAW DWG 141A3501, REV- AND SRM 51-40-02. RESTORED PROTECTIVE TREATMENT IAW AMM 51-21-99.Aug 7, 2026 · N77539 · Boeing 737824 · Fuselage Main, Plate/SkinSDR CALA2026080518313Pressure Deck · dentedB737-MP-2000-53-340-00: FLIGHT DECK ENTRY FLOOR HAS A DENT. REMOVED DAMAGE, HFEC HOLES AND AREA, NO DEFECTS NOTED, FABRICATED, LOCATED AND INSTALLED REPAIR, RESTORED COATINGS IAW UAL ECRA 5315-01235 REV- AND AAR GSO REO-G26011 REV IR.Aug 4, 2026 · N77539 · Boeing 737824 · Fuselage Main, StructureSDR CALA2026080718343Attach Angle · crackedFWD CARGO COMPARTMENT INTERCOSTAL ATTACH ANGLE IS CRACKED AT BS 500H, S26R. REMOVED CRACKED ATTACH ANGLE AND BAFFLE AND REPLACED WITH NEW IAW SRM 51-40-02, 51-40-05, & DWG 143A7505 REV-.Aug 3, 2026 · N77539 · Boeing 737824 · Fuselage Main, Attach FittingsSDR CALA2026081318547Floorbeam · corrodedCORROSION ON THE TEE FITTING, BS 947, RBL 36, FWD OF R2 DOOR. REMOVED DAMAGE, HFEC OPEN HOLES & CUT AREA,NO DEFECTS NOTED. ROTO PEENED, FABRICATED & LOCATED REPAIR PARTS, INSTALLED AND RESTORED COATINGS IAW SRM 53-70-51-2R-5, AND DWG 147A5650. THIS IS A CJul 28, 2026 · N77539 · Boeing 737824 · Fuselage Main, Floor BeamSDR CALA2026081318545Floorbeam · corrodedCORROSION ON THE TEE ANGLE AND FITTING AT BS 947, LBL 18. REMOVED DAMAGE, HFEC OPEN HOLES & CUT AREA, ROTO PEENED, NO DEFECTS NOTED. FABRICATED & LOCATED REPAIR PARTS, INSTALLED AND RESTORED COATINGS IAW SRM 53-70-51-2R-5 & DWG 147A5650, REV A. THIS IS A CAT Jul 28, 2026 · N77539 · Boeing 737824 · Fuselage Main, Floor BeamSDR CALA2026081318543Floor Support · corrodedFLOOR SUPPORT BETWEEN BS 947 & BS 967, RBL 24.75, FOUND TO BE CORRODED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02, AND DWG 147A5650, REV A.Jul 28, 2026 · N77539 · Boeing 737824 · Fuselage Miscellaneous StructureSDR CALA2026081318541Intercostal · corrodedMAIN CABIN INTERCOSTAL AT BS 947, RBL 50, WL 208 WAS CORRODED AT HARD POINT FITTING. REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02 & DWG 147A5650, REV-.Jul 28, 2026 · N77539 · Boeing 737824 · Fuselage Miscellaneous StructureSDR CALA2026081318539Structure · corrodedMAIN CABIN INNER CHORD AT R2 DOOR BS 947, RBL 55, WL 208 CORRODED. R & R INNER CHORD AT R2 DOOR IAW SRM 51-40-02, AND DWG 147A8501, REV A. NO FURTHER ACTION REQUIRED.Jul 28, 2026 · N77539 · Boeing 737824 · Fuselage Main, StructureSDR CALA2026081318537Floor Support · corrodedMAIN CABIN INTERCOSTAL AT BS 947, LBL 25, WL 208, UNDER HARD POINT FITTING HAS SIGNS OF CORROSION. R & R INTERCOSTAL IAW SRM 51-40-02 AND DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED.Jul 28, 2026 · N77539 · Boeing 737824 · Fuselage Miscellaneous StructureSDR CALA2026081318535Floor Support · corrodedFLOOR SUPPORT BETWEEN BS 947 & 967, LBL 52.5 FOUND TO BE CORRODED. R & R FLOOR SUPPORT IAW SRM 51-40-02, & DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED. WORK ACCOMPLISHED AT AAR GSO ON NON-ROUTINE 9286417.Jul 28, 2026 · N77539 · Boeing 737824 · Fuselage Miscellaneous StructureSDR CALA2026081318533Floor Support · corrodedMAIN CABIN FLOORBEAN AT LBL 51 - LBL 24, BS 947+4 FOUND TO BE CORRODED. R & R FLOORBEAM IAW SRM 51-40-02 AND DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED. WORK ACCOMPLISHED AT AAR GSO ON NON-ROUTINE 9286383. R & R FLOORBEAM IAW SRM 51-40-02 AND DWG 147AJul 28, 2026 · N77539 · Boeing 737824 · Fuselage Main, Floor BeamSDR CALA2026072918080Channel · corrodedRIGHT ZEE CHANNEL HAS MULTIPLE AREAS OF CORROSION. FWD CARGO. CORROSION TO SHIELD EXCESSIVE AND 100% MAT LOSS, OUT OF LIMITS IAW SRM 53-00-53. LOCATED, DRILLED AND INSTALLED NEW SHIELD IAW SRM 51-40-05, DWG 143A8126 REV-.Jul 27, 2026 · N77539 · Boeing 737824 · Fuselage Miscellaneous StructureSDR CALA2026072818068Transition Panel · puncturedAFT CARGO COMPARTMENT STA 767+3 LBL 23.5 L/H TRANSITION PANEL IS PUNCTURED. REPAIRED TRANSITION PANEL IAW SRM 53-00-53-2R-6.Jul 26, 2026 · N77539 · Boeing 737824 · Fuselage Miscellaneous StructureSDR CALA2026052016415Battery Pack · faultedRT INTERIOR OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE, ALONG WITH MIDDLE ISLE EXIT SIGN R&R STA 565 WL 213 RBL 68 EMERGENCY EXIT LIGHT BATTERY PACK IAW AMM 33-51-06-960-805.May 20, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026051716319Battery Pack · inoperativeEMERGENCY ESCAPE LIGHTS FROM ROW 7ABC TO 14ABC, RH OVERWING EXTERIOR LIGHT BETWEEN THE ESCAPE HATCHES AND OVERHEAD AISLE EMERGENCY EXIT SIGN BETWEEN OVERWING ESCAPE HATCHES ARE ALL INOP. THE OVERWING EMERGENCY LIGHT BETWEEN THE TWO ESCAPE HATCHES THAT IS INOPMay 16, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2026041515394Lamp · inoperativeL2 EMERGENCY SLIDE LIGHT OUT REPLACED WITH NEW LAMP AND OP' CHECK OK PER AMM TASK 33-51-04-960-801 UPDATED SDRApr 15, 2026 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2025101309934Pin · unsecureEMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK. EMERGENCY LIGHT INOP AT 23C. FOUND PIN PUSHED BACK AT SIDEWALL DISC 23C. RESECURED PIN. OPS CHECK GOOD. REF. WDM 33-51-22-12.Oct 11, 2025 · N77539 · Boeing 737824 · Light System WiringSDR CALA2025090408468Bulb · inoperativeR/H AFT OVERWING EMERGENCY LIGHT INOP. SUPPORT TASK NSA EMX N/R 00266. REPLACED RH AFT OVER WING EMERGENCY LIGHT BULB AND TESTED GOOD IAW B737-800 AMM 33-51-04-960-801. DATA WAS TRANSCRIBED FROM NSA EMX N/R 00266.Aug 29, 2025 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2025061905709Power Supply · dischargedEMERGENCY LIGHTING SYSTEM FUNCTIONAL CHECK (INTERIOR AND EXTERIOR) {MULT-33-3-0004} - M1673 FAILED FUNCTIONAL CHECK. REPLACED BATTERY PACK IN M1673 POWER SUPPLY TWICE, IAW AMM 33-51-06-960-805, UP TO AND INCLUDING STEP 4.E.(6)(B). TEST BUTTON ON POWER SUPPLY DJun 15, 2025 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2025061105449Light · abnormalEMERGENCY EXIT LIGHT 20DEF FLICKERS FOUND HALF OF THE WINDOW LED LIGHT NEAR SEATS 20DEF FLICKERING RESET POWER TO LIGHT NO HELP REQUESTING MEL 3302B DEACTIVATED ADD FAULT: 3321 RIGHT SIDE WINDOW LIGHTS BY PULLING AND SAFTYING BREAKER E11 ON P92 CB PANEL IN REFJun 8, 2025 · N77539 · Boeing 737824 · Passenger Compartment LightingSDR CALA2025051604722Slide · no discrepancy1L SLIDE PACK BORDERLINE TOO HIGH INSPECTED 1L DOOR SLIDE PRESSURE PER AMM TASK 25-66-01-200-801. PRESSURE WITHIN LIMITS. OK FOR SERVICE.May 15, 2025 · N77539 · Boeing 737824 · Escape SlideSDR CALA2025040903659Battery Pack · dischargedRIGHT GALLEY EMERGENCY LIGHTS INOP REMOVED AND REPLACED BATTERY PACK FOR FWD RIGHT GALLEY EMERGENCY LIGHTS. OPS CKS GOOD.PARTS USED: 99-3351-3-0015, QTY :1Apr 8, 2025 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2024010900068Proximity Sensor · out of toleranceLE FLAP TRANSIT LIGHT ILLUMINATED AFTER SELECTINF FLAPS .PERFORM ED QRH PERFORMED FIM 27-88 TASK 805 STEP (4) UP TO STEP (4)(G). FOUND S168 RED TERMINAL AT D728A PIN K12 OUT OF TOLERANCE,250 OHMS TO GROUND. ADD EMP:U408540 REF WDM 27-81-11-2 FOR LEFT WING LEADJan 6, 2024 · N77539 · Boeing 737824 · Trailing Edge Flap Control SystemSDR CALA2023073102369Battery Pack · inoperativeEXIT LIGHT ABOVE L1 DOOR WILL NOT ILLUMINATE (REF. AAR NR 99978502). REPLACED BATTERY PACK M1675 WITH NEW BATTERY PACK IAW B737 AMM 33-51-06-960-805. INSTALLATION TEST GOOD. (WORK ACCOMPLISHED BY V937131 AND AAR QC A-83 V935067).Jul 28, 2023 · N77539 · Boeing 737824 · Emergency LightingSDR CALA2022120203271Slide · unwanted deploySLIDE NOT DISARMED ON DO OR 1L ON OPENING. REPLACED DOOR 1 LEFT ESCAPE SLIDE REF AMM 25-66-01.Dec 2, 2022 · N77539 · Boeing 737824 · Escape Slide
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