# Service difficulty reports: N76526

A list on [N76526](https://openairdocs.org/aircraft/N76526.md).

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

- [SDR CALA2026072217945](https://openairdocs.org/sdr/CALA2026072217945.md): Power Supply · inoperative · Jul 20, 2026 · N76526 · Boeing 737824 · Emergency Lighting
  > ROW 20 21 FED EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY FOR EMERGENCY LIGHT IAW AMM 33-51-06. OPS CHECKED GOOD.
- [SDR CALA2026031614583](https://openairdocs.org/sdr/CALA2026031614583.md): Battery Pack · faulted · Mar 12, 2026 · N76526 · Boeing 737824 · Emergency Lighting
  > OPERATIONAL CHECK OF THE EMERGENCY LIGHTS. EXTERIOR EMERGENCY LIGHT INOPERATIVE, LT SIDE AFT OF AFT EMERGENCY EXIT DOOR. REPLACED THE LAMPS LT AFT OVERWING EMERGENCY LIGHT IAW AMM 33-51-04-960-801. NO HELP. IAW FIM 33-50, TASK 801, REPLACED THE LIGHT ASSY
- [SDR CALA2025120211690](https://openairdocs.org/sdr/CALA2025120211690.md): Indicator · unreliable · Nov 27, 2025 · N76526 · Boeing 737824 · Airspeed/Mach Indicator
  > AIRSPEED UNRELIABLE. PER FLIGHT CREW FO'S SIDE AIRSPEED WAS UNRELIABLE, ABOUT 50 KNOTS OFF OTHER SIDE/STBY. CDS BITE SHOWED AIRSPEED DISAGREE MESSAGE MX MSG 31-65060. NO OTHER ASSOCIATED FAULTS ON SMYD OR ADIRU BITE FOUND. 15 LEGS AGO THERE WERE A COUPLE A
- [SDR CALA2025082608135](https://openairdocs.org/sdr/CALA2025082608135.md): Skin · cracked · Aug 20, 2025 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > ONE CRACK SIGNAL NOTED L=0.500 INCH AT HORIZ STAB LH SIDE BETWEEN STA 101.90 AND STA 111.10 LOCATED 2.375 INCH FRONT FROM REAR SPAR. REPAIRED LT HORIZONTAL STABILIZER LOWER SKIN BETWEEN HSS 101.90 AND STA 111.10 LOCATED TO 2.375 INCH FRONT FROM REAR SPAR. IA
- [SDR CALA2025082608134](https://openairdocs.org/sdr/CALA2025082608134.md): Skin · cracked · Aug 19, 2025 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > TWO CRACKS SIGNAL NOTED AT STAB RT SIDE HSS 129.50, FIRST CRACK L=0.250 INCH LOCATED TO 9.125 INCH AFT FROM FRONT SPAR, SECOND CRACK L= 0.375 INCH LOCATED TO 17.310 INCH AFT FROM FRONT SPAR REPAIRED RT HORIZONTAL LOWER SKIN HSS 129.50, LOCATED TO 9.125" AFT F
- [SDR CALA2025062605887](https://openairdocs.org/sdr/CALA2025062605887.md): Girt Bar · out of adjust · Jun 25, 2025 · N76526 · Boeing 737824 · Emergency Equipment
  > DOOR 1R GIRT BAR NOT STOWING IN DISARM POSITION. READJUSTED DOOR 1R GIRT BAR CLIP IAW AMM 25-66-01, OPS CKS NORMAL.
- [SDR CALA2025041003677](https://openairdocs.org/sdr/CALA2025041003677.md): Controller · defective · Apr 8, 2025 · N76526 · Boeing 737824 · Cabin Temperature Controller
  > IN AIR RECEIVED LEFT PACK LIGHT. WOULD NOT CLEAR WITH TRIP RESET FLAGGED AS SDR SUGGEST TROUBLESHOOTING PER THE FOLLOWING FIM TASK..L (R) PACK LIGHT IS ON (WITHOUT MASTER CAUTION RECALL) - FAULT ISOLATION REFERENCE: 21-53 TASK 820 ACCOMPLISHED STEP.D OF MEL 21
- [SDR CALA2025012802083](https://openairdocs.org/sdr/CALA2025012802083.md): Battery Pack · discharged · Jan 26, 2025 · N76526 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHTS @ ROW 28 - 32 & AFT RIGHT DOOR SIGNS INOP. R&R AFT-PACK, BATTERY, EMERGENCY POWER #99-3351-3-0015. REF. AMM 33-51-06-960-805. OPPS CHECK GOOD AT THIS TIME.
- [SDR CALA2025010601783](https://openairdocs.org/sdr/CALA2025010601783.md): Engine · faulty · Jan 3, 2025 · N76526 · Boeing 737824 · Engine (Turbine/Turboprop)
  > PER FLIGHT CREW: E2 IFSD AT 30K FT. NO SIGNIFICANT EVENT BEFORE SD. OIL PRESSURE SEEMED TO DROP NORMALLY AS E2 SPOOLED DOWN. WINDMILLED FOR 20-25 MINUTES AS A/C RETURNED TO SFO. ACCOMPLISHED VISUAL INSPECTION OF ENG #2. BLADES WERE WINDMILLING FREELY UPON ARRI
- [SDR CALA2024122701670](https://openairdocs.org/sdr/CALA2024122701670.md): Transmitter · faulted · Dec 25, 2024 · N76526 · Boeing 737824 · Trailing Flap Position Indicating System
  > ON APPROACH FLAPS STUCK AT 25 DEG. FLAP/SLAT ELECTRONIC UNIT SHOWS LEG 0 FAULT TE FLAP SNSR R, MSG NO: 27-52260, INTRMTNT INACTIVE, R FL POS +194.0, D728B PIN J7, J8. GROUND TEST PASSED. FLAP OPERATION NORMAL, NO SPIT. REMOVED AND REPLACED RH FLAP POSITION TRA
- [SDR CALA2024100402563](https://openairdocs.org/sdr/CALA2024100402563.md): Skin · cracked · Oct 1, 2024 · N76526 · Boeing 737824 · Fuselage Main, Plate/Skin
  > FOUND CRACK AND CORROSION EXFOLIATION AT THE FUS EXTERNAL SKIN STA 917 BTW STRG 21L AND STRG 22L AT BOTTOM HALF OF THE VACUUM WASTE VENT CUTOUT REQUIRE REPAIR PER SRM 53-70-01-2R-3. (REF: AAR NR 1000021409) ION, INSPECTION THRESHOLD 50,000 CYCLE METHOD (LFEC)
- [SDR CALA2024040300961](https://openairdocs.org/sdr/CALA2024040300961.md): Fuel Sys · out of balance · Apr 2, 2024 · N76526 · Boeing 737824 · Aircraft Fuel System
  > DURING CLIMB FUEL IMBAL IN MAIN WITH 5000LBS REMAINING IN CENTER TNK. ON ARRIVAL FOUND RIGHT MAIN TANK READING 800 LBS HIGH COMPARED STICK TABLE REF. AMM 12-11-02-993-953. FUELED MAIN TANKS TO 8500 INDICATION. (BLANK). REQUEST DEFERRAL PER MEL. DDP C/W DEFERRE
- [SDR CALA2022120703318](https://openairdocs.org/sdr/CALA2022120703318.md): Pump · faulted · Dec 7, 2022 · N76526 · Boeing 737824 · Hydraulic Pump (Electric/Engine), Main
  > HYD 1 ENG PUMP LOW PRESSURE MAINTAINED AT 3000 PSI. REMOVED ENG #1 EDP, COMPLETED REMOVAL OF ENG 1 EDP AND INSTALLED NEW EDP ON ENG 1. REPLACED #1 ENG AGB ROTATING SEAL FOR HYD PUMP. INSTALLED #1 HYD PUMP. INSTALLED NEW MAGNETIC CARBON SEAL. OPS CHECK GOOD.
- [SDR CALA2022102702973](https://openairdocs.org/sdr/CALA2022102702973.md): Skin · cracked · Oct 27, 2022 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > R/H HORIZONTAL STAB. LOWER SKIN AT STA.129.50 I/B SIDE HAS A CRACK 26 INCHES FROM FWD SPAR ABOUT.50 IN.LENGTH.(MARKED) ACCOMPLISH REPAIR REF. SRM 55-10-01 PRIOR TO FURTHER FLIGHT. (REF. BAM N/R 000983735) INSPECTIONS PER SRM 55-10-01-2R -11 REPAIR 11 TABLE 20
- [SDR CALA2022102402925](https://openairdocs.org/sdr/CALA2022102402925.md): None · cracked · Oct 23, 2022 · N76526 · Boeing 737 · Horizontal Stabilizer Structure
  > R/H HORIZONTAL STAB. LOWER SKIN AT STA.129.50 I/B SIDE HAS A CRACK 26 INCHES FROM FWD SPAR ABOUT.50 IN.LENGTH.(MARKED) ACCOMPLISH REPAIR REF. SRM 55-10-01 PRIOR TO FURTHER FLIGHT. (REF. BAM N/R 000983735) INSPECTIONS PER SRM 55-10-01-2R -11 REPAIR 11 TABLE 20
- [SDR CALA2022100302589](https://openairdocs.org/sdr/CALA2022100302589.md): Skin · unknown · Oct 1, 2022 · N76526 · Boeing 737824 · Horizontal Stabilizer Structure
  > R/H HORZ. STAB. SKIN REPAIR AT STA 92.70 SFR CREATED.
- [SDR CALA2021122702447](https://openairdocs.org/sdr/CALA2021122702447.md): Roller Track · defective · Dec 27, 2021 · N76526 · Boeing 737824 · Engine Thrust Reverser
  > RTO 100KTS DUE TO REVERSER ENG 2 MASTER CAUTION ON DURING TAKE OFF PERFORMED EAU BITE PROCEDURE PER FIM 78-31 TASK 801. FOUND UPDATED WITH PARTS INFO FOR EAU. PER FIM 78-31 TASK 817 INSPECTED SSPS ROLLER ASSEMBLY AND FOUND FAULTS HYD ISO VALVE SENSOR S830, R
- [SDR CALA2021083001451](https://openairdocs.org/sdr/CALA2021083001451.md): Indicator · split · Aug 30, 2021 · N76526 · Boeing 737824 · Trailing Flap Position Indicating System
  > *DECLARED EMERGENCY*FLAPS TRAILING EDGE FLAP LOCKOUT ON APROACH L/R SPLIT AT LESS THAN FLAP 5. HANDLE MOVED TO F-2 PER PROCEDUR E. FLAPS WENT TO F-2 UPON LANDIN DECREASING FROM 210K TO APROX 190K,FROM FLAPS5 TO FLAPS2, GOT A SYM LOCK WITH ONE SIDE AT 2 UNITS
- [SDR CALA2019082001380](https://openairdocs.org/sdr/CALA2019082001380.md): Skin · cracked · Aug 15, 2019 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RH HORIZONTAL STABILIZER LOWER SKIN IS CRACKED AT RIB LOCATION STA 138.7, 25" FROM FORWARD SPAR - REF FLEET CYCLE LOG 9688574 LOG FOR DIP ONLY. REPAIRED SKIN CRACK PER SRM 55-10-01, REPAIR 11. SEE FLEET CYCLE LOG 9688574 FOR DETAILS OF REPAIR ACCOMPLISH ED. IN
- [SDR CALA20190821379](https://openairdocs.org/sdr/CALA20190821379.md): Skin · cracked · Aug 15, 2019 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RH HORIZONTAL STABILIZER LOWER SKIN IS CRACKED AT RIB LOCATION STA 157.1, 30" FROM FORWARD SPAR - REF FLEET CYCLE LOG 9688575 LOG FOR DIP ONLY. REPAIRED SKIN CRACK PER SRM 55-10-01, REPAIR 11. SEE FLEET CYCLE LOG 9688575 FOR DETAILS OF REPAIR ACCOMPLISH ED. IN
- [SDR CALA2019081601373](https://openairdocs.org/sdr/CALA2019081601373.md): Skin · cracked · Aug 15, 2019 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LH HORIZONTAL STABILIZER LOWER SKIN IS CRACKED AT RIB LOCATION STA 138.7, 25" FROM FORWARD SPAR - REF FLEET CYCLE LOG 9688568 LOG FOR DIP ONLY. REPAIRED SKIN CRACK PER SRM 55-10-01, REPAIR 11. SEE FLEET CYCLE LOG 9688565 FOR DETAILS OF REPAIR ACCOMPLISH ED. IN
- [SDR CALA2019081601372](https://openairdocs.org/sdr/CALA2019081601372.md): Skin · cracked · Aug 15, 2019 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LH HORIZONTAL STABILIZER LOWER SKIN IS CRACKED AT RIB LOCATION STA 129.5, 10" FROM FORWARD SPAR - REF FLEET CYCLE LOG 9688565 LOG FOR DIP ONLY. REPAIRED SKIN CRACK PER SRM 55-10-01, REPAIR 11. SEE FLEET CYCLE LOG 9688565 FOR DETAILS OF REPAIR ACCOMPLISH ED. IN
- [SDR CALA2018120202487](https://openairdocs.org/sdr/CALA2018120202487.md): Light · inoperative · Nov 30, 2018 · N76526 · Boeing 737824 · Emergency Lighting
  > RT AFT OVERWING EMERGENCY LIGHT INOP. RELAMPED, OPS CHECK OK. ACP IDT INSP OF RT AFT OW EPL LIGHT RELAMP REF GMM 09-10-05. OPS CK GOOD.
- [SDR CALA2018120202485](https://openairdocs.org/sdr/CALA2018120202485.md): Light · inoperative · Nov 30, 2018 · N76526 · Boeing 737824 · Emergency Lighting
  > LT AFT OVERWING EMERGENCY LIGHT INOP. RELAMPED OPS CHECK OK ACP IDT INSP OF EPL LIGHT AT L AFT OW REF GMM 09-10-05. OPS CK GOOD.
- [SDR CALA2018012800367](https://openairdocs.org/sdr/CALA2018012800367.md): Valve · failed · Jan 28, 2018 · N76526 · Boeing 737824 · Engine Cooling System
  > BEHIND ON FUEL PLAN. WET MOTOR ENG REF 71-00-00-700-822-F00 (LEAKING IN FLIGHT). FOUND RIGHT VSV DRAIN LEAKING UPON ARRIVAL AT HANGER, MOTOR NR 2 ENG AND FOUND FUEL LEAKING FROM HPTACC DRAIN. R&R HPTACC VALVE, REF AMM 75-21-01. ACP NR 2 ENG RUN AND ACTUATORS
- [SDR CALA2017060501718](https://openairdocs.org/sdr/CALA2017060501718.md): Switch · intermittent · Jun 5, 2017 · N76526 · Boeing 737824 · Emergency Lighting
  > DURING AIRCRAFT POWER FAILURE, EMERGENCY LIGHTS ON ROWS 21, 22, 23 DID NOT OPERATE. VERIFIED WITH THE FLIGHT CREW, CYCLED THE LIGHT SWITCH AND EMERGENCY LIGHTS WORKED OK.
- [SDR CALA2016080100483](https://openairdocs.org/sdr/CALA2016080100483.md): Skin · cracked · Aug 1, 2016 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB LOWER SKIN AREA, HAS A CRACK INDICATION AT HSS 147.90 AND ABOUT 10 INCHES FROM T/E. IAW EA 5510-01843 REV E STEP 2. REMOVED DAMAGE AND INSTALLED EXTERNAL REPAIR DOUBLER IAW SRM 55-10-01 REPAIR 11.
- [SDR CALA2016080100482](https://openairdocs.org/sdr/CALA2016080100482.md): Skin · cracked · Aug 1, 2016 · N76526 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL STAB LOWER SKIN AREA, FOUND A CRACK INDICATION AT HSS 101.90 AND ABOUT 10.5 INCHES FROM T/E. IAW EA 5510-01843 REV. E STEP 5. REMOVED DAMAGE AND INSTALLED EXTERNAL REPAIR DOUBLER IAW SRM 55-10-01 REPAIR 11.
- [SDR CALA2015082700708](https://openairdocs.org/sdr/CALA2015082700708.md): Trim Motor · failed · Aug 27, 2015 · N76526 · Boeing 737824 · Stabilizer Actuator
  > ELECTRIC STAB TRIM FAILED AFTER TAKEOFF. R & R OF STAB TRIM MOTOR IAW FORM 44-0008. OPERATIONS CHECKED NORMAL IAW AMM 27-41-71.
- [SDR CALA2015070600552](https://openairdocs.org/sdr/CALA2015070600552.md): Wire Harness · shorted · Jul 6, 2015 · N76526 · Boeing 737824 · Engine Indicating System Wiring
  > DURING CRUISE FL 370, NR 1 ENG EGT WENT TO 965C EGT, EGT IN NORMAL RANGE AT IDLE. ALL OTHER ENG INDICATIONS NORMAL. FOUND NR 1 ENG LT EGT THERMOCOUPLE PROBE SHORTED WHEN TROUBLE SHOT HIGH ENG EGT. REPLACED THERMOCOUPLE PROBE HARNESS. ACCOMPLISHED TASK 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 = 'N76526' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N76526/reports

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