# Service difficulty reports: N79521

A list on [N79521](https://openairdocs.org/aircraft/N79521.md).

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

- [SDR CALA2025120911961](https://openairdocs.org/sdr/CALA2025120911961.md): Pump · faulty · Dec 6, 2025 · N79521 · Boeing 737824 · Fuel Controlling System
  > NUMBER 1 ENGINE N1 WOULD NOT INCREASE PAST 90. PERFORMED HIGH POWER ENGINES AT MAX POWER ENGINE 1 N1 - 91.5, FF - 8.60, EGT -769. ENGINE 2 N1 - 97.5, FF - 10.69, EGT - 834. PERFORMED FIM TASK 73-05 TASK 808. PER STEPE(2)(B) WE HAVE A VALUE OF REGULATOR 3.
- [SDR CALA2025102010292](https://openairdocs.org/sdr/CALA2025102010292.md): Light · no test · Oct 20, 2025 · N79521 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - RED EMERGENCY LIGHT SEAT NUMBER 20C INOP RELAMPED EXISTING RED EMERGENCY LIGHT SEAT NUMBER 20C. OPS CHECK GOOD
- [SDR CALA2025092309161](https://openairdocs.org/sdr/CALA2025092309161.md): Smoke Detector · malfunctioned · Sep 20, 2025 · N79521 · Boeing 737824 · Smoke Detection
  > AFT LAVATORY SMOKE DETECTOR AND LIGHT CAME ON THEN OFF. NEITHER AFT LAVATORY FIRE EXTINGUISHER IS DISCHARGED. NEITHER AFT LAVATORY OVERTEMP LABEL INDICATES OVERTEMP. NEITHER LAV SMELLS OF SMOKE. BOTH AFT LAV SMOKE DETECTORS OPS CHECK GOOD IAW AMM 26-14-00
- [SDR CALA2025092209069](https://openairdocs.org/sdr/CALA2025092209069.md): Unknown · odor · Sep 19, 2025 · N79521 · Boeing 737824 · Air Distribution System
  > POSSIBLE FUME EVENT, BRIEFED INBOUND CREW, NO LIGHT OFF ON NR 1 ENG LEAVING DRO, SUCCESSFUL SECOND ATTEMPT. ON TAKEOFF AND CLIMB SMELLED FAINT FUEL SMELL IN COCKPIT AND AFT GALLEY FOR A SPLIT SECOND AND WENT AWAY. SMELLED FOR A SECOND TIME AT LANDING FOR A SP
- [SDR CALA2025091508892](https://openairdocs.org/sdr/CALA2025091508892.md): Slide · unraveled · Sep 10, 2025 · N79521 · Boeing 737824 · Escape Slide
  > DOOR 1R SLIDE MATERIAL HANGING OUT OF SLIDE CASE TUCKED EXCESS GIRT MATERIAL
- [SDR CALA2025080507309](https://openairdocs.org/sdr/CALA2025080507309.md): Retainer · bent · Aug 1, 2025 · N79521 · Boeing 737824 · Emergency Equipment
  > 1R GIRT BAR BRACKET LOOSE BENT J CLIP, GIRT BAR RETAINER CLIP INTO POSITION REF AMM 25-66-01-200-802
- [SDR CALA2025071106448](https://openairdocs.org/sdr/CALA2025071106448.md): Girt Bar · out of adjust · Jul 8, 2025 · N79521 · Boeing 737824 · Emergency Equipment
  > L1 DOOR WITH A THE LEFT SIDE OF THE SCAPE SLIDE HOLDING BAR LOOSE. ADJUSTED AS REQUIRED, OK FOR SERVICE.
- [SDR CALA2025061705606](https://openairdocs.org/sdr/CALA2025061705606.md): Door · no discrepancy · Jun 13, 2025 · N79521 · Boeing 737824 · Passenger/Crew Doors
  > REJECTED T/O 85KIAS FWD ENTRY DOOR LIGHT AND DOOR HANDLE POP PERFORMED HIGH ENERGY STOP INSPECTION NO DEFECTS NOTED OK TO CONTINUE REF AMM TASK 05-51-07-210-801 PERFORMED FIM 52-10 TASK 815 FOR FORWARD DOOR HANDLE MOVEMENT. COMPLETED AMM TASK 52-11-00-820-802
- [SDR CALA2025052805039](https://openairdocs.org/sdr/CALA2025052805039.md): Pitot Head · faulted · May 25, 2025 · N79521 · Boeing 737824 · Pitot/Static System
  > CAPT PITOT LIGHT ON REQUESTING DEFERRAL 3005A MEL 3005A OM ADVISED VISIBLE MOISTURE IS ISSUE RESET CAPTAIN PITOT HEATERS, PROBE AND INDICATION BREAKERS. NO HELP. TURNING CAPTAIN SIDE SWITCH ON POPS CAPT PITOT HEATER BREAKER C1 ON P18-3. TEMP INSTALLED NEW WIND
- [SDR CALA2025051904775](https://openairdocs.org/sdr/CALA2025051904775.md): Light · cracked · May 15, 2025 · N79521 · Boeing 737824 · Emergency Lighting
  > DURING MODIFICATION ON G7 GALLEY FOUND AFT AISLE WAY PROXIMITY LIGHT CRACKED/ DAMAGED REQUIRING REPLACEMENT. REMOVED AND REPLACED AFT G7 GALLEY AISLE PROXIMITY LIGHT ASSEMBLY IAW B737-800 AMM 33-51-14-960-802. PERFORMED EMERGENCY LIGHT OPS CHECK. IAW BOEING 7
- [SDR CALA2025051604731](https://openairdocs.org/sdr/CALA2025051604731.md): Lamp · burned out · May 15, 2025 · N79521 · Boeing 737824 · Emergency Lighting
  > FWD R/H OVERWING EXTERIOR EMERGENCY LIGHT INOP. RE-LAMPED FWD R/H OVERWING EXTERIOR EMERGENCY LIGHT IAW B737-800 AMM 33-51-04-960-801. OPS TEST GOOD.
- [SDR CALA2025051604730](https://openairdocs.org/sdr/CALA2025051604730.md): Light · cracked · May 15, 2025 · N79521 · Boeing 737824 · Emergency Lighting
  > DURING MODIFICATION ON G7 GALLEY FOUND FWD AISLE WAY PROXIMITY LIGHT CRACKED/ DAMAGED REQUIRING REPLACEMENT. SUPPORT TASK NSA EMX N/R 00118. REMOVED AND REPLACED FWD G7 GALLEY AISLE PROXIMITY LIGHY ASSEM BLY IAW B737-800 AMM 33-51-14-960-802. PERFORMED EMERGE
- [SDR CALA2025041503845](https://openairdocs.org/sdr/CALA2025041503845.md): Bustle · loose · Apr 13, 2025 · N79521 · Boeing 737824 · Escape Slide
  > ESCAPE SLIDE PACK BUSTLE LOOSE DOOR 2L GREY WEBBING ON LEFT SIDE OF SLIDE PACK STICKING OUT FOUND SMALL SECTION OF Z FOLD PROTUDING FROM BUSTLE. REINSERTED UNDER BUSTLE. GIRT MATERIAL LENGTH GOOD (10 IN) PER AMM 25-66-01-400-803.
- [SDR CALA2025032403120](https://openairdocs.org/sdr/CALA2025032403120.md): Girt Bar · loose · Mar 21, 2025 · N79521 · Boeing 737824 · Emergency Equipment
  > GIRT BAR LOOSE AT DOOR 1L INSTALLED GIRT BAR CORRECTLY.REF 25-66-01-000-804.
- [SDR CALA2024112602951](https://openairdocs.org/sdr/CALA2024112602951.md): Lamp · inoperative · Nov 23, 2024 · N79521 · Boeing 737824 · Emergency Lighting
  > (SUPPORT TASK) L2 EXTERIOR EMERGENCY LIGHT INOP. TRANSCRIBED FROM HAECO GSO NRC 9284016.RELAMPED AND OPS CHECK GOOD L2 DOOR EXTERIOR EMER LT IAW B737-NG AMM 33.51.04. PO: 110327.1 SDR # 1033745. REF HAECO GSO MECH V942812 INSP QC401
- [SDR CALA2024102300905](https://openairdocs.org/sdr/CALA2024102300905.md): Slide · out of alignment · Oct 21, 2024 · N79521 · Boeing 737824 · Escape Slide
  > EMERGENCY SLIDE PACK NEEDS ADJUSTING AT DOOR 1R. CHECKED OPERATION OF 1R DOOR SLIDE OPERATED NORMALLY AND IS INSTALLED CORRECTLY PER AMM 25-62-44-400-803-A0.
- [SDR CALA2024080502155](https://openairdocs.org/sdr/CALA2024080502155.md): Window Frame · cracked · Aug 1, 2024 · N79521 · Boeing 737824 · Fuselage Main, Structure
  > AFTER NDT INSPECTION PER EA 5310-04554 REV C OP 007 CRACKS FOUND AT LH #1 WINDOW FRAME (REF: AAR NR 100013256) ECRA 5610-01552. DIP PER ABOVE REQUIREMENTS, NOTE: AIRCRAFT CURRENTLY HAS 15458 TC (49900-15458 = 34442) (50000- 15458 = 34542) WORK PERFORMED IAW EA
- [SDR CALA2024072402096](https://openairdocs.org/sdr/CALA2024072402096.md): Battery Pack · inoperative · Jul 23, 2024 · N79521 · Boeing 737824 · Emergency Lighting
  > RIGHT SIDE OVERWING ESCAPE GOUND ILLUMINATION LIGHT NOT WORKING (REF AAR NR 100013306)REMOVED AND INSTALLED NEW BATTERY PACK M1671 IAW B737 AMM 33-51- 06-960-805 OPS CHECK GOOD (WORK ACCOMPLISHED BY V934137 AND AAR QC A-15 V931575) (SDR NO 1036824)
- [SDR CALA2024072202071](https://openairdocs.org/sdr/CALA2024072202071.md): Battery Pack · inoperative · Jul 19, 2024 · N79521 · Boeing 737824 · Emergency Lighting
  > EMERGENCY POWER PACK,M1676,FAILS EMERGENCY LIGHTING FUNCTIONAL C HECK. BATTERY DISCHARGES IN LESS THAN 10 MIN.(REF AAR NR 1000129 24) REMOVED AND REPLACED BATTERY PACK AT M1676, IAW B737 AMM 33-51-0 6-960-805, TEST GOOD (WORK ACCOMPLISHED BY V937352 AND AAR QC
- [SDR CALA2024072202070](https://openairdocs.org/sdr/CALA2024072202070.md): Battery Pack · discharged · Jul 19, 2024 · N79521 · Boeing 737824 · Emergency Lighting
  > EMERGENCY POWER PACK, M1674, FAILS EMERGENCY LIGHTING FUNCTIONAL CHECK BATTERY DISCHARGES IN LESS THAM 8 MIN.(REF AAR NR 1000012 923)
- [SDR CALA2024071502037](https://openairdocs.org/sdr/CALA2024071502037.md): Skin · cracked · Jun 27, 2024 · N79521 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RH HORIZONTAL STABILIZER,LOWER SKIN,CRACK INDICATION AT STA 111. 10,19 INCHES AFTER FRONT SPAR.(REF AAR NR 100013013) S CATEGORY B REPAIR INSPECTION REQUIREMENTS IAW SRM 55-10-01-2R- 11 REPAIR 11 STEP 5 TABLE 204 AAR TOOL # 8461 EXP:01/12/2025. REPAIRED ON R
- [SDR CALA2024070901984](https://openairdocs.org/sdr/CALA2024070901984.md): Skin · cracked · Jun 27, 2024 · N79521 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LH HORIZONTAL STABILIZER,LOWER SKIN,ONE CRACK INDICATION AT STA 92.7,11.5 INCHES INFRONT TRAILING EDGE.(REF AAR NR 100013012)
- [SDR CALA2024070801972](https://openairdocs.org/sdr/CALA2024070801972.md): Skin · cracked · Jun 27, 2024 · N79521 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RH HORIZONTAL STABILIZER,LOWER SKIN,CRACK INDICATION AT STA 175. 5,10.5 INCHES INFRONT REAR SPAR.(REF AAR NR 100013014) ACCOMPLISHED BY V946301 AND AAR QC A-74 V918045) REPAIRED ON RH HORIZONTAL STABILIZER LOWER SKIN AT STA 175.5, 10.5 INCH ALL WORK DONE IAW
- [SDR CALA2024061201784](https://openairdocs.org/sdr/CALA2024061201784.md): Slide · dragging · Jun 10, 2024 · N79521 · Boeing 737824 · Escape Slide
  > DOOR 1R GIRT BAR MATERIAL DRAGGING REMOVED R1 DOOR ESCAPE SLIDE PER AMM 25-66-01-000-802 THRU STEPS 4-E-1-G. SLIDE SIDE SAFTEY PIN INSTALLED. REPLACED DOOR R1 ESCAPE SLIDE PACK AS REQUIRED. REF AMM 25-66-01.
- [SDR CALA2023041901177](https://openairdocs.org/sdr/CALA2023041901177.md): Tire · unknown · Apr 19, 2023 · N79521 · Boeing 7378 · Landing Gear System
  > DURING T/O ROLL EXPERIE NCED DIRECTION CONTROL ISSUES A/S APPROX 60KTS REMOVED AND REPLACED NOSE TIRE ASSY REF AMM. 32-45-21-400-801. UPDATED ROTABLE PARTS CHANGED FOR RH AND LH NLG TIRE/WHEEL ASSY. ADD EMP:U348948,U008704 ROTABLE PARTS CHANGE WAS INDICATED -
- [SDR CALA2022033100854](https://openairdocs.org/sdr/CALA2022033100854.md): Skin · cracked · Mar 31, 2022 · N79521 · Boeing 737824 · Horizontal Stabilizer Structure
  > 2 EA CRACKS AT STA 129.5 INBOARD OF REPAIR DOUBLER NO. 2 INDICAT IONS MARKED ON SKIN AT LEFT HORIZONTAL STABILIZER LOWER SKIN SUR FACE (REF. AAR NR 99925176). 390-804; PERFORMED NDT IAW B737 PAR6 51-00-00 (WORK ACCOMPLISHED BY V931931 AND AAR QC A-68 V936245).
- [SDR CALA2022032800803](https://openairdocs.org/sdr/CALA2022032800803.md): Doubler · cracked · Mar 28, 2022 · N79521 · Boeing 737800* · Horizontal Stabilizer Structure
  > 2 EA CRACKS AT STA 129.5 INBOARD OF REPAIR DOUBLER NO. 2 INDICAT IONS MARKED ON SKIN AT LEFT HORIZONTAL STABILIZER LOWER SKIN SUR FACE (REF. AAR NR 99925176). 390-804; PERFORMED NDT IAW B737 PAR6 51-00-00 (WORK ACCOMPLISHED BY V931931 AND AAR QC A-68 V936245).
- [SDR CALA2021111702124](https://openairdocs.org/sdr/CALA2021111702124.md): Windscreen · fod · Nov 17, 2021 · N79521 · Boeing 737824 · Window/Windshield System
  > BIRD STRIKE ON TAKEOFF 145KTS ON THE CTR WINDSCREEN HAWK SIZED INSPECTED AIRCRAFT PER AMM 05-51-18-210-801, NO DAMAGE NOTED
- [SDR CALA2021102501972](https://openairdocs.org/sdr/CALA2021102501972.md): Indicator · illuminated · Oct 24, 2021 · N79521 · Boeing 737824 · Trailing Flap Position Indicating System
  > LE FLAP S TRANSIT LIGHT ILLUMINATED AIRCRAFT ARRIVED WITH LEADING EDGE FLAPS DOWN. LOWERED FLAPS AND RAISED FLAPS LEADING EDGE STAYED DOWN.LOWERED FLAPS WITH ALTERNATE FLAP SYSTEM. RAISED FLAPS WITH NORMAL SYSTEM. LEADING EDGE FLAPS STAYED IN DEPLOYED POSITION
- [SDR CALA2021092801717](https://openairdocs.org/sdr/CALA2021092801717.md): Boot · damaged · Sep 28, 2021 · N79521 · Boeing 737824 · Nose/Tail Landing Gear Strut/Axle
  > PDA 3 LEFT NLG DOOR LEADING EDGE EROSION BOOT TORN AND PARTIALLY MISSING PHOTO ADDED REMOVED AND REPLACED PDA 3 LEFT NLG DOOR LEADING EDGE EROSION BOOT REF AMM 51-31-00.
- [SDR CALA2019121302196](https://openairdocs.org/sdr/CALA2019121302196.md): Regulator · inoperative · Dec 12, 2019 · N79521 · Boeing 737824 · Compressor Bleed Valve
  > HAD ZERO DUCT PRESSURE LEFT SIDE CLIMBING OUT ACARS MSG LEFT PACK OFF WORKS ON APU BLEED AIR. ENG RUNNING NORMAL, LOSS LEFT PACK, AND LEFT PRESSURE WAS AT 0. FLIGHT CREW DEBRIEF. SAME WAS BEFORE. PERFORM HEALTH CHECK PER MM36-11-00-700-801 ON #1 ENGINE. REPLAC
- [SDR CALA2019111601989](https://openairdocs.org/sdr/CALA2019111601989.md): Flap System · malfunctioned · Nov 14, 2019 · N79521 · Boeing 737824 · Trailing Edge Flap Control System
  > PER INBD CREW, FLAPS WOULD NOT EXTEND TO FULL 30 WITH "LE FLAP IN TRANSIT" LIGHT ILLUMINATED. ACP''D BITE CK OF FSEU. "LE SLAT EXT UCM" MSG ALONG WITH MAINT MSG''S 27-81203, 27-81354. ACP''D FIM TASK 27-81-00-810-806. FLAP SYS OPERATIONS NORMAL. ACP''D FULL FL
- [SDR CALA2019091401545](https://openairdocs.org/sdr/CALA2019091401545.md): Light · damaged · Sep 14, 2019 · N79521 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT CART 712 DAMAGED UPDATED MAA CODE FIX USING VENDOR MAA SCREEN EVALUATE AND CONTACT TOMC MAC RELATED WORK ORDER 000000002120647 AND PRTR TECH REPAIRED PER ECRA 3300-01168. OK FOR SERVICE. MAC METER INITIATED. PERFORMED INTERIM REPAIR PER PART 1
- [SDR CALA2019022200278](https://openairdocs.org/sdr/CALA2019022200278.md): Skin · cracked · Feb 19, 2019 · N79521 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > FOUND CRACK INDICATION ON LEFT HORIZONTAL STABILIZER LOWER SKIN AT STATION 157.10 EIGHT INCHES AFT OF L/E SPAR REPAIRED CRACK PER SRM 55-10-01 REPAIR 11. PLACED ON DIP TO INSP ECT PER SRM55-10-01 TABLE 204/REPAIR 11 AND FIGURE 206/REPAIR 11 INSPECTION THRESHOL
- [SDR CALA2019022200277](https://openairdocs.org/sdr/CALA2019022200277.md): Skin · cracked · Feb 19, 2019 · N79521 · Boeing 737824 · Horizontal Stabilizer Structure
  > FOUND CRACK INDICATION ON LEFT HORIZONTAL STABILIZER LOWER SKIN AT STATION 157.10 ABOUT 15 INCHES AFT OF LEADING EDGE SPAR REPAIRED CRACK PER SRM 55-10-01 REPAIR 11. PLACED ON DIP TO REINSPECT PER TABLE 204/REPAIR 11 AND FIGURE 206/REPAIR 11. INSPECTION THRESH
- [SDR CALA2019022200276](https://openairdocs.org/sdr/CALA2019022200276.md): Skin · cracked · Feb 19, 2019 · N79521 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > FOUND CRACK INDICATION ON RIGHT HORIZONTAL STABILIZER LOWER SKIN AT STATION 166.30 ABOUT 23 INCHES AFT OF L/E SPAR REPAIRED CRACK PER SRM 55-10-01 REPAIR 11. PLACED ON DIP TO INSPECT PER TABLE 204/REPAIR 11 AND FIGURE 206/REPAIR 11. INSPEC TION THESHOLD 56,000
- [SDR CALA2017101303589](https://openairdocs.org/sdr/CALA2017101303589.md): Oven · sparks · Oct 13, 2017 · N79521 · Boeing 737824 · Buffet/Galleys
  > OVEN SMOKING OR SPARKING. REMOVED AND REPLACED THE OVEN IAW AMM 25-34-00. OPS CHECKED GOOD.
- [SDR CALA2017070202084](https://openairdocs.org/sdr/CALA2017070202084.md): Lens · broken · Jul 2, 2017 · N79521 · Boeing 737824 · Emergency Lighting
  > SEAT 32C EMERGENCY LIGHT HAS BROKEN LENS REPLACED EMERGENCY LIGHT ASSY AS REQUIRED. OPS CHK GOOD.
- [SDR CALA2017042801182](https://openairdocs.org/sdr/CALA2017042801182.md): Battery · discharged · Apr 28, 2017 · N79521 · Boeing 737824 · Emergency Equipment
  > FWD DOOR 1L EMERGENCY FLASHLIGHT NOT WORKING AND INSTALLED UPSIDE DOWN, FOUND FLASHLIGHT MOUNT UPSIDE DOWN. REPOSITIONED AND REPLACED FLASHLIGHT BATTERY FOR NONFUNCTIONING BLINKING RED LIGHT.
- [SDR CALA2016062800390](https://openairdocs.org/sdr/CALA2016062800390.md): Skin · cracked · Jun 28, 2016 · N79521 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STABILIZER FOUND CRACK INDICATION AT T/E AREA ABOUT 3.2500" LONG ON LOWER SKIN BETWEEN STA 92.70 AND STA 101.90, REF EA 5510-01843 REV E. REMOVED DAMAGE AND INSTALLED EXTERNAL DOUBLER IAW SRM 55-10- 01, REPAIR 11.
- [SDR CALA2016050600289](https://openairdocs.org/sdr/CALA2016050600289.md): Warning System · false activation · May 6, 2016 · N79521 · Boeing 737824 · Leading Edge Slat Position Indicating System
  > LE FLAPS TRANSIT LIGHT ON AT FLAP EXTENSION LE DEVICES PANEL INDICATES FULL LE FLAPS, UNSAFE LE SLATS (ALL EIGHT) CYCLED FSEU C/B'S AND INDICATION WAS NORMAL. GO AROUND-EMERGENCY DECLARED. FSEU BITE INDICATE D FAULTS 27-53280 AND 27-81354 FOR LAST LEG. CYCLED
- [SDR CALA2016032900196](https://openairdocs.org/sdr/CALA2016032900196.md): Proximity Sensor · faulty · Mar 29, 2016 · N79521 · Boeing 737824 · Trailing Flap Position Indicating System
  > AT FL 380 LE FLAP TRANSIT LIGHT ILLUMINATED. AFTER CONDUCTING QRH & DESCENDING TO FL 200, THE LIGHT FLICKERED ON & OFF UNTIL LEVEL AT FL 200. LIGHT EXTINGUISHED AT FL 200. REPLACED S1006 IAW MM 27-88-11.
- [SDR CALA2015100600819](https://openairdocs.org/sdr/CALA2015100600819.md): Light · inoperative · Oct 6, 2015 · N79521 · Boeing 737824 · Emergency Lighting
  > LEFT & RIGHT AFT DOORS, EXTERIOR EMER EXIT LIGHTS INOPERATIVE. RELAMPED LT & RT AFT DOORS, EXTERIOR EMER EXIT LIGHTS. OPERATIONS CHECKED, FOUND NORMAL IAW AMM 33-51-04 & 33-51-00.
- [SDR CALA2011122200820](https://openairdocs.org/sdr/CALA2011122200820.md): Slide · out of position · Dec 22, 2011 · N79521 · Boeing 737824 · Escape Slide
  > WHILE A/C BEING CHATING R1 DOOR SLIDE FELL OUT OF BUSTLE. REMOVED AND REPLACED EMERGENCY SLIDE FROM DOOR 1R AS PER MM 25- 66-01-400-803. SAFETY PIN REMOVED. OK TO CONTINUE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1511224 S/N OFF 03302 SLIDE, B737NG, OFF
- [SDR CALA2011071800496](https://openairdocs.org/sdr/CALA2011071800496.md): Valve · malfunctioned · Jul 13, 2011 · N79521 · Boeing 737824 · Leading Edge Slat Control System
  > DURING FLAP EXTENSION TO FLAPS 30 TRAILING EDGE EXTEND NORMALLY LEAD EDGE DEVICE (SLATS) DID NOT EXTENDED NORMALLY LEADING EDGE FLAPS DID NOT EXTEND NORMALLY. PERFORMED T/S PER FIM 27-81-00-810-806 FOUND INTERMITTENT FAULT. OK TO CONTINUE. REMOVED AND REPLA
- [SDR CALA2011071400491](https://openairdocs.org/sdr/CALA2011071400491.md): Valve · malfunctioned · Jul 13, 2011 · N79521 · Boeing 737824 · Leading Edge Slat Control System
  > DURING FLAP EXTENSION TO FLAPS 30 TRAILING EDGE EXTEND NORMALLY LEAD EDGE DEVICE (SLATS) DID NOT EXTENDED NORMALLY LEADING EDGE FLAPS DID NOT EXTEND NORMALLY. PERFORMED T/S PER FIM 27-81-00-810-806 FOUND INTERMITTENT FAULT. OK TO CONTINUE AND REMOVED AND REP

## 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 = 'N79521' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N79521/reports

---
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