# Service difficulty reports: N76504

A list on [N76504](https://openairdocs.org/aircraft/N76504.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR CALA2026100520083](https://openairdocs.org/sdr/CALA2026100520083.md): Slide · out of position · Oct 2, 2026 · N76504 · Boeing 737824 · Escape Slide
  > DOOR 1R SLIDE MATERIAL DRAGGING READJUSTED DR-1R SLIDE MATERIAL IA WAMM 25-66-01-400-803. ACCOMPLISHED RII INSPECTION DOOR 1R SLIDE MATERIAL ADJ OK IAW GMM 09-25-05.
- [SDR CALA2026081418637](https://openairdocs.org/sdr/CALA2026081418637.md): Flap · unsecure · Aug 13, 2026 · N76504 · Boeing 737824 · Escape Slide
  > R2 DOOR SLIDE IS COMING OUT UNDER THE DOOR. TUCKED FLAP MATERIAL FROM CONTAINMENT COVER. PER AMM 25-66-01.
- [SDR CALA2026080918410](https://openairdocs.org/sdr/CALA2026080918410.md): Tire · blown · Aug 6, 2026 · N76504 · Boeing 737824 · Tire
  > MLG TIRE FOUND BEYOND AMM LIMITS. MUST BE REPLACED PRIOR TO T HE NEXT FLIGHT. NR 2 MAIN TIRE BLOWN ON PREVIOUS TAKEOFF, RTF SFO REMOVED AND REPLACED NR 2 MLG TIRE ASSY. BRAKE NR 2 TO REPLACE. IAW 32-45-11.
- [SDR CALA2026060216754](https://openairdocs.org/sdr/CALA2026060216754.md): Module · faulty · May 31, 2026 · N76504 · Boeing 737824 · Fire Detection
  > FIRE WARN BELL CUTOUT IS ILLUMINATED NO FIRE OR TEST ON BOTH SI DESCYCLED CBS TWICE, PERFORMED OPS CK NO PASSED, SHOWING FAULT FWD AND AFT AND BOTH, DURING T/S REMOVED BOX MODULE AND NOTICED BURNED SMELL AT THE CARGO FIRE DETECTION MODULE / BOX. NEEDS FURTHER
- [SDR CALA2025111911350](https://openairdocs.org/sdr/CALA2025111911350.md): Autothrottle Sys · failed · Nov 17, 2025 · N76504 · Boeing 737824 · Auto Throttle System
  > AUTOTHROTTLE FAIL ON TAKEOFF ROLL. ACCOMPLISHED FIM 22-32 TASK 806 A/T BITE HAS NO FAULTS. ACCOMPLISHED A/T SYS TEST IAW AMM 22-31-00-710-802, OPS CHECKS NORMAL. ACCOMPLISHED FIM 22-32 TASK 806 A/T BITE HAS NO FAULTS. ACCOMPLISHED A/T SYS TEST IAW AMM 22-3
- [SDR CALA2025090208375](https://openairdocs.org/sdr/CALA2025090208375.md): Brake · damaged · Aug 31, 2025 · N76504 · Boeing 737824 · Landing Gear Brake System
  > VISUAL CHECK, LANDING GEAR BRAKE WEAR PIN PROTRUSION WITH BRAKES APPLIED. NR 2 BRAKE SHOWS SIGNS OF CARBON WEAR. INNER CARBON BRAKE ASSY WAS DAMAGED. REMOVED AND INSTALLED NEW BRAKE. REFERENCE AMM TASK 32-41-41-000-801 AND TASK 32-41-41-400-801. OPS CHECK
- [SDR CALA2025052704950](https://openairdocs.org/sdr/CALA2025052704950.md): Bracket · loose · May 23, 2025 · N76504 · Boeing 737824 · Emergency Equipment
  > R1 DOOR GIRT BAR STORAGE BRACKET LOOSE BRACKET LOOSE RIGHT SIDE SECUREED AFT GIRT BAR BRACKET ON DOOR 1R, BAR IS SECURED REF AMM 24-66-01
- [SDR CALA2025041603890](https://openairdocs.org/sdr/CALA2025041603890.md): Bulb · inoperative · Apr 15, 2025 · N76504 · Boeing 737824 · Emergency Lighting
  > EXTERIOR R/H AFT OVERWING DOOR EMERGENCY LIGHT INOP. SUPPORT TASK NSA EMX N/R 00194. COMPLETED SDR. REMOVED LENS ASSEMBLY ON THE R/H AFT OVERWING DOOR EMERGENCY LIGHT IAW BOEING 737-800 AMM 33-51-04. REMOVED AND REPLACED BULB AT THE R/H AFT OVERWING DOOR EMERG
- [SDR CALA2025041603885](https://openairdocs.org/sdr/CALA2025041603885.md): Light · broken · Apr 14, 2025 · N76504 · Boeing 737824 · Emergency Lighting
  > AFT CEILING EMERGENCY EXIT LIGHT IS BROKEN AT MOUNT HOLES. REMOVED AND INSTALLED SERVICEABLE AFT EMERGENCY LIGHT ASSEMBLY P/N 82000-48703 IAW B737-800 AMM 35-51--01 OPS CHECK GOOD. IAW B737-800 AMM 35-51-00.
- [SDR CALA2025012702037](https://openairdocs.org/sdr/CALA2025012702037.md): Rib · cracked · Jan 19, 2025 · N76504 · Boeing 737824 · Horizontal Stabilizer, Spar/Rib
  > CRACK INDICATION ON R/H HORIZONTAL STABILIZER ON RIB101.90 APPROX. 10" AND 19" FROM FRONT SPAR AND 11" AND 20" FROM REAR SPAR REPAIRED PER SRM 55-10-01-2R-11, REF N/R 002426198 FOR WORK PERFORMED AND REQUIRED BUYBACKS. ALSO, REFERENCE ELB 3640846 FOR DIP AND
- [SDR CALA2024030400629](https://openairdocs.org/sdr/CALA2024030400629.md): Selector Panel · intermittent · Mar 1, 2024 · N76504 · Boeing 737824 · Communications System
  > VHF2 LOST. LOUD SQUELCH OVER SPEAKER TIL SWITCHING COM PANEL TO ALT. COMPLIED WITH MEL AND CREATED A SECOND DEFERRAL MEL 2303AD THIS ITEM SHOULD BE CLEARED. SWAPPED #3 AUDIO CONTROL PANEL INTO #2 POSITION REF AMM23-51-02-000-801 & AMM23-51-02-400-801. VHF3 COM
- [SDR CALA2024021200387](https://openairdocs.org/sdr/CALA2024021200387.md): Drain Mast · missing · Feb 9, 2024 · N76504 · Boeing 737824 · Airborne Auxiliary Power Unit (APU) System
  > RAMP FOUND ENTIRE AFT DRAIN MAST TO BE MISSING ORDERED P/N 417A2093-7 DRAIN MAST TO SMC OFFICE INSTALLED DRAIN MAST KIT M&E 29-2825-3-0031 REF. AMM 28-25-07-420-801. NEEDS PAINTED WITH RED SAFETY STIPES AND TEXT (SEE REF PICTURE). PARTS USED: 29-2825-3-0031,QT
- [SDR CALA2023101303054](https://openairdocs.org/sdr/CALA2023101303054.md): Drive Unit · unknown · Oct 12, 2023 · N76504 · Boeing 737824 · Weather Radar System
  > MULTIPLE WX RADAR MESSAGES. ANT/FAIL. FELT A VIBRATION/GRINDIN N OISE WHILE ON. CONTACT TOMC UNLOCKING R+R DRIVE PEDESTAL UNIT IAW AMM 34-43-11. OPS CHECK SAT
- [SDR CALA2022040600898](https://openairdocs.org/sdr/CALA2022040600898.md): None · inoperative · Apr 6, 2022 · N76504 · Boeing 737 · Lighting System
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - AT DOOR 1RH EMER EXIT LIGHTS AND SIGN GO OFF WITH 30 SECONDS. REPLACED BATTERY PACK FOR CHARGER M1674 REF AMM 33-51-06-960-805 OPS CHECKED OK. ACP''D IDT INSPECTION OF EEL SYSTEM BATTERY RPLMNT AN
- [SDR CALA2021040600430](https://openairdocs.org/sdr/CALA2021040600430.md): Connector · damaged · Apr 6, 2021 · N76504 · Boeing 737824 · Light System Wiring
  > EMERGENCY LIGHT EXIT SIGN ON FWD OVERHEAD RAFT (L1262) CONNECTOR D10494 DAMAGED. REMOVED AND REPLACED CONNECTOR REF SWPM 20-61-28. OPS CK OK.
- [SDR CALA2019052400827](https://openairdocs.org/sdr/CALA2019052400827.md): Tire · blown · May 23, 2019 · N76504 · Boeing 737824 · Tire
  > LEFT MAIN TIRE BLEW ON TAKEOFF REMOVED AND REPLACED LMG WHEEL ASSY, REF TO LPG # 3284350 & 3284357.
- [SDR CALA2019011400095](https://openairdocs.org/sdr/CALA2019011400095.md): Sense Line · leaking · Jan 13, 2019 · N76504 · Boeing 737824 · Pneumatic Indicating System
  > R DUCT PRESS 60-65PSI 15000-FL300. NORMAL AT CRUISE. FIM 36-10-00-810-803 FOUND DOWNSTREAM PRESSURE SENSE LINE ON RIGHT ENG LEAKING. REMOVED AND REPLACED RIGHT ENG DOWNSTREAM SENSE LINE RAN ENG AT HIGH POWER ENG REGULATED PRESSURE AT 45 PSI.
- [SDR CALA2018022000710](https://openairdocs.org/sdr/CALA2018022000710.md): Slide · unsecure · Feb 20, 2018 · N76504 · Boeing 737824 · Escape Slide
  > 1R DOOR NOT DISARMED ON ARRIVAL. CATERER OPENED DOOR. SLIDE RESTING ON TRUCK REMOVED AND REPLACED DOOR 1R ESCAPE SLIDE PER AMM 25-66-01-002/0 01. OPS CHECK GOOD.
- [SDR CALA2017121904528](https://openairdocs.org/sdr/CALA2017121904528.md): Battery Pack · discharged · Dec 19, 2017 · N76504 · Boeing 737824 · Emergency Lighting
  > LT OVERWING EMERGENCY EXIT LIGHTS INOP. REPLACED LT OVERWING EMERGENCY LIGHTS BATTERY PACK IAW AMM 33-51 -06, OPS CHECK IAW AMM 33-51-00 NORMAL, SYSTEM OK.
- [SDR CALA2017121904527](https://openairdocs.org/sdr/CALA2017121904527.md): Battery Pack · discharged · Dec 19, 2017 · N76504 · Boeing 737824 · Emergency Lighting
  > RT OVERWING EMERGENCY EXIT LIGHTS INOP. REPLACED RT OVERWING EMERGENCY LIGHTS BATTERY PACK IAW AMM 33-51 -06, OPS CHECK IAW AMM 33-51-00 NORMAL, SYSTEM OK.
- [SDR CALA2016050600285](https://openairdocs.org/sdr/CALA2016050600285.md): Skin · cracked · May 5, 2016 · N76504 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB LOWER SKIN CRACKED AT STATION 129.5, 10.5" FWD OF REAR SPAR. REPAIRED IAW SRM 55-10-01 REPAIR 11.
- [SDR CALA2015121700995](https://openairdocs.org/sdr/CALA2015121700995.md): Galley · dirty · Dec 17, 2015 · N76504 · Boeing 737824 · Buffet/Galleys
  > AT APPROX FL 34O, FLIGHT ATTENDANTS REPORTED A STRONG SWEET ODOR IN CABIN & FEELING LIGHT HEADED, BEGAN TO NOTICE ODOR IN COCKPIT. DECIDED TO RETURN. RAN ENGINES 70 PERCENT N1 PRESSURIZED TO 4 PSI SWAPPED PACKS. REMOVED COFFEE MAKERS & OVENS, FOUND RESIDUE.
- [SDR CALA2014101501344](https://openairdocs.org/sdr/CALA2014101501344.md): Light · inoperative · Oct 14, 2014 · N76504 · Boeing 737824 · Emergency Lighting
  > LEFT AFT EMER EXIT WINDOW LIGHT INOPERATIVE. REMOVED BULB AT AFT LT OVERWING EXIT. INSTALLED NEW BULB. OPERATIONS CHECKED GOOD IAW AMM 33-51-01.
- [SDR CALA2013081600567](https://openairdocs.org/sdr/CALA2013081600567.md): Drive Unit · defective · Aug 14, 2013 · N76504 · Boeing 737824 · Weather Radar System
  > PWS FAIL AND WX FAIL DISPLAY INTERMITTENTLY. R & R WEATHER RADAR ANTENNA DRIVE UNIT IAW MM 34 -43-11. OPS AND TESTS CKS GOOD. OK TO CONTINUE. ROTABLE PARTS CHANGE WAS INDICATED - TT 1613892, SN OFF 08811 UNIT, DRIVE PED, OFF 29-3443-9-0003 8811 ON 29-344
- [SDR CALA2011042700315](https://openairdocs.org/sdr/CALA2011042700315.md): Module · malfunctioned · Apr 27, 2011 · N76504 · Boeing 737824 · Hydraulic System, Auxiliary
  > STBY RUDDER FAILS TO OPERATE PUMP COMES ON WITH A, B AND ALT FLAP SWITCHES RUDDER FAILS TO MOVE EITHER RIGHT OR LEFT TROUBLESHOT PER FIM FOUND STBY HYD SYSTEM MODULE INOP. REMOVED AND REPLACED HYD MODULE PER 29 21-51-400-801 OPS CHECK GOOD LEAK CHECKS GOOD, R
- [SDR CALA2011042600313](https://openairdocs.org/sdr/CALA2011042600313.md): Light · inoperative · Apr 26, 2011 · N76504 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT LIGHT AFT OF RIGHT WING FAILS TO ILLUMINATE. RELAMPED EMERGENCY EXIT LIGHT AS REQUIRED OPS CHECK GOOD.
- [SDR CALA2009122200758](https://openairdocs.org/sdr/CALA2009122200758.md): Brake · seized · Dec 22, 2009 · N76504 · Boeing 737824 · Brake
  > DURING TAXI BRAKES LOCKED UP AIRCRAFT WOULD NOT MOVE BRAKES WOULD NOT RELEASE VERIFIED BOTH CONTROL ARMS FOR RESPECTIVE BRAKE METERING VALVES TO MOVE FREELY. VERIFIED ALL 4 BRAKES ACTUATING PISTONS TO MOVE FREELY. FOUND NR 2 BRAKE ROTORS NOT RELEASING. FOUN
- [SDR CALA0700289](https://openairdocs.org/sdr/CALA0700289.md): Vapor Barrier · cracked · Jun 2, 2007 · N76504 · Boeing 737824 · Wing, Rib/Bulkhead
  > INSPECTION FOUND FIVE CRACKS IN THE RT WHEEL WELL FORWARD BULKHEAD (WING CENTER SECTION AFT SPAR VAPOR BARRIER). THREE OF THE CRACKS WERE LOCATED AT THE B-SYSTEM RETURN FILTER, ONE AT RBL 45, AND ONE AT RBL 25. THE VAPOR BARRIER WAS REMOVED AND REPLACED IAW

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = 'N76504' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N76504/reports

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