# Service difficulty reports: N78509

A list on [N78509](https://openairdocs.org/aircraft/N78509.md).

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

- [SDR CALA2026090719254](https://openairdocs.org/sdr/CALA2026090719254.md): Skin · cracked · Sep 3, 2026 · N78509 · Boeing 737824 · Fluid Service Doors
  > EXTERNAL POWER RECEPTACLE (112A) MISSING SECTION AT INNER DOUBLER INITIAL RUBBING BLOCK. REPAIR ACCOMPLISHED IN ACCORDANCE WITH SRM 53-10-15-2R-4 REPAIR 4, PAGE 1-13, FIG 201-204. C/W FOR EXT PWR RECEPTACLE DOOR REPAIR DOUBLER FABRICATED AND INSTALLED REPAI
- [SDR CALA2026090719252](https://openairdocs.org/sdr/CALA2026090719252.md): Spar · cracked · Sep 3, 2026 · N78509 · Boeing 737824 · Horizontal Stabilizer, Spar/Rib
  > RIGHT HORIZONTAL STABILIZER FRONT SPAR O/B FIXED WEB HAS A CRACK ON INSPECTION HOLE. REPAIR ACCOMPLISHED IAW ESR-WI 10-15674 AND ECRA 5510-03391. INPUT FOR RH HORZ STAB REPAIR.
- [SDR CALA2026090919334](https://openairdocs.org/sdr/CALA2026090919334.md): Skin · cracked · Aug 28, 2026 · N78509 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > TWO CRACKS FOUND AT RT HORIZONTAL STAB LOWER IN-SPAR SKIN AT HSS 138.70, 10 INCHES FWD OF T/E, REPAIRED RT HORIZONTAL STAB LOWER SKIN IAW SRM 55-10-01-2R-11. REPAIR 11.
- [SDR CALA2026092819863](https://openairdocs.org/sdr/CALA2026092819863.md): Skin · cracked · Aug 27, 2026 · N78509 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > EA 5510-01843, CRACK FOUND ON RT HORIZONTAL STAB LOWER IN-SPAR SKIN AT HSS 120.30, INBD OF INBD FASTENER ROW, 10.5" FWD OF T/E. REPAIRED RT HORIZONTAL STAB LOWER IN SPAR SKIN AT HSS 120.30 IAW SRM 55-10-01-2R-11. REPAIR 11.
- [SDR CALA2026083119001](https://openairdocs.org/sdr/CALA2026083119001.md): Attach Angle · cracked · Aug 27, 2026 · N78509 · Boeing 737824 · Fuselage Main, Attach Fittings
  > LOWER FUSELAGE REAR SPAR VAPOR BARRIER, UPPER ATTACH ANGLE, RBL 40, BS 663.75. REPAIR ACCOMPLISHED IAW SRM 57-10-10-2R-5, PAGE 1-12, FIG 202.
- [SDR CALA2026012713353](https://openairdocs.org/sdr/CALA2026012713353.md): Antenna · missing · Jan 23, 2026 · N78509 · Boeing 737824 · Emergency Locator Beacon
  > PDA 1 REF LP 7699350 PDA CAT 1 LP CREATED FOR ACFT ARRIVED AT A22 MISSING ELT ANTENNA ON TOP OF THE FUSELAGE JUST FORWARD OF THE VERTICAL STABILIZER. MISSING ELT ANTENNA. REMOVED DAMAGED ELT ANTENNA M&E 99-2565-3-0009 REF. AMM 23-24-01-000-802. INSTALLED NEW
- [SDR CALA2025091508918](https://openairdocs.org/sdr/CALA2025091508918.md): Proximity Sensor · faulted · Sep 11, 2025 · N78509 · Boeing 737824 · Leading Edge Slat Position Indicating System
  > LE FLAPS TRANSIT LIGHT CAME ON SELECTING FLAPS TO 30. FAULT CODES CHECKED. REMOVED AND REPLACED SLAT NR 1 INBD PROXIMITY SENSOR. ME 29-2762-3-0093 REF TASK 27-88 TASK 804, REMOVAL TASK 27-88-11-000-801, INSTALLED TASK 27-88-11-400-801. TYPE OF REPAIR (SPL
- [SDR CALA2025080107194](https://openairdocs.org/sdr/CALA2025080107194.md): Switch · out of tolerance · Jul 30, 2025 · N78509 · Boeing 737824 · Door Warning System
  > AT TOUCH DOWN L2 AFT ENTRY DOOR LIGHT CAME ON PERFORMED GALLEY SERVICE DOOR INDICATION SENSOR IAW AMM 52-71-11-820-801. FOUND AFT GALLEY ENTRY DOOR SWITCH S200 GAP OUTSIDE OF CLOSEST PERMITTED GAP. ADJUSTED AFT GALLEY ENTRY DOOR SENSOR (S200) TO OPTIMUM GAP A
- [SDR CALA2025062705986](https://openairdocs.org/sdr/CALA2025062705986.md): Battery Pack · discharged · Jun 25, 2025 · N78509 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK AT M1694 FAILS 15 MIN CAPACITY. REMOVED AND REPLACED EMERGENCY BATTERY PACK M1694 IAW AMM 33-52-06-960-805.PARTS USED: 99-3351-3-0015, QTY:1
- [SDR CALA2024121601539](https://openairdocs.org/sdr/CALA2024121601539.md): Warning Light · false activation · Dec 13, 2024 · N78509 · Boeing 737824 · Door Warning System
  > EQUIP DOOR LIGHT ON CLIMB OUT. PRESSURIZATIO N NORMAL. INSPECTED AND VERIFIED E&E DOOR INDICATION SENSOR OPERATES REF B737 AMM 52-71-42. NO DMG TO WIRING AND FAULTS NOTED AT THIS TIME. VERIFIED E&E DOOR SEATED AND LATCHED. INDICATION IS APPROPRIATE ON CLOSING.
- [SDR CALA2024121101473](https://openairdocs.org/sdr/CALA2024121101473.md): Retainer · loose · Dec 8, 2024 · N78509 · Boeing 737824 · Emergency Equipment
  > DOOR 1L GIRT BAR CLIP ON DOOR LOOSE INSPECTED DOOR 1L GIRT BAR CLIPS ON THE DOOR, NO FAULTS FOUND, GIRT BAR SECURED IN PLACE REF AMM 52-11-00
- [SDR CALA2024081600441](https://openairdocs.org/sdr/CALA2024081600441.md): Windscreen · leaking · Aug 14, 2024 · N78509 · Boeing 737824 · Flight Compartment Windows
  > FO WINDSCREEN STARTED SQUEALING PASSING 10000 FEET AND AGAIN UP ON ACCELERATING THROUGH LOCKING UNLOCKED FOR SIGN OFF THIS ITEM HAS BEEN CLEARED IN REF ON LOGPAGE 8925960. OK FOR SERVICED PARTS USED: 00-0609-3-7622,QTY:1 40-0604-3-0119,QTY:1
- [SDR CALA2024081502223](https://openairdocs.org/sdr/CALA2024081502223.md): Windshield · unsecure · Aug 14, 2024 · N78509 · Boeing 737824 · Flight Compartment Windows
  > ON ROTATION SPEEDTAPE ON WINDOW COMING OFF. REAPPLIED SPEEDTAPE TEMP REPAIR REF LP 8925960 FOUND CO- PILOT WINDSHIELD SEALANT NOT CURED FROM RECENT WINDSHIELD REPLACEMENT. OTBD SIDE CORD NOT IN CHANNEL, HANGING OUTSIDE NEEDS ARROVAL FOR ECRA 5611-01068. TOMC
- [SDR CALA2024040200920](https://openairdocs.org/sdr/CALA2024040200920.md): Door · out of adjust · Mar 29, 2024 · N78509 · Boeing 737824 · Passenger/Crew Doors
  > AFT ENTRY DOOR LIGHT ILLUMINATED TWICE DURING FLIGH WITH CORRESP ONDING DOOR HANDLE MOVEMENT. AFT L2 DOOR HANDLE FEELS SOFT WHILE CLOSED. CLOSED AFT L2 DOOR FROM INSIDE OF AC AND FOUND OUTSIDE HANDLE NOT STOWING ALL THE WAY. ADJUSTED 2 LH DOOR FWD AND AFT LOW
- [SDR CALA2024030500640](https://openairdocs.org/sdr/CALA2024030500640.md): Anti-Ice Valve · faulted · Mar 2, 2024 · N78509 · Boeing 737824 · Engine Anti-Icing System
  > PER FLIGHT CREW #1 ENGINE ANTI-ICE FAULT LIGHT ILLUMINATED. REMOVED AND REPLACED ENGINE 1 NOSE COWL THERMAL ANTI ICE VALVE PER AMM 30-21-11. OPS AND LEAK CHECK GOOD.
- [SDR CALA2024011900149](https://openairdocs.org/sdr/CALA2024011900149.md): Bearing · overtorqued · Jan 16, 2024 · N78509 · Boeing 737824 · Passenger/Crew Doors
  > AFT ENTRY LIGHT ON AT TAKEOFF ROLL THEN INTERMITTENTLY AND FA REPORTED HANDLE LOOSE AFTER CREW DEBRIEF IT WAS REPORTED THAT DOOR WITH THE PROBLEM IS DOOR 2L. FOUND UPER FORWARD TORQUE LATCH ROLLER BEARING WITH EXCESSIVE PARTS USED: 00-0593-3-6285,QTY:1 WEAR.
- [SDR CALA2023091502798](https://openairdocs.org/sdr/CALA2023091502798.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK, REF TO PEMCO NR 14093.0034. REMOVED AND REPLACED BATTERY PACK IAW B737 AMM 33-51-06. OPS CHECK GOOD.
- [SDR CALA2023091502797](https://openairdocs.org/sdr/CALA2023091502797.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERYPACK CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK, REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED BATTERY PACK. OPS CHECK GOOD IAW B737 AMM 33-51-06.
- [SDR CALA2023091502796](https://openairdocs.org/sdr/CALA2023091502796.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY PACK CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK. REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED EMERGENCY BATTERY PACK IAW B737 AMM 33-91-06 OPS CHECK GOOD.
- [SDR CALA2023091502795](https://openairdocs.org/sdr/CALA2023091502795.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY PACK CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK. REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED BATTERY PACK IAW B737 AMM 33-51-06 OPS CHEC K GOOD.
- [SDR CALA2023091502794](https://openairdocs.org/sdr/CALA2023091502794.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY PACK CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK. REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED BATTERY PACK IAW B737 AMM 33-51-06 OPS CHECK GOOD. S/N OFF 228098, S/N ON 316244.
- [SDR CALA2023091502793](https://openairdocs.org/sdr/CALA2023091502793.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY PACK CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK. REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED BATTERY PACK IAW B737 AMM 33-51-06 OPS CHEC K GOOD. S/N OFF 237921, S/N ON 5778536. WORK PERFORMED BY P707. ENTERED BY V927860
- [SDR CALA2023091502792](https://openairdocs.org/sdr/CALA2023091502792.md): Battery · inoperative · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY PACK CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK. REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED BATTERY PACK IAW B737 AMM 33-51-06 OPS CHECK GOOD. S/N OFF 213641, S/N ON 321835.
- [SDR CALA2023091402781](https://openairdocs.org/sdr/CALA2023091402781.md): Battery Pack · no test · Sep 12, 2023 · N78509 · Boeing 737824 · Emergency Lighting
  > DURING BATTERY CAPACITY CHECK, ALL BATTERY PACKS FAILED CAPACITY CHECK. REF TO PEMCO NR 14093.0034 REMOVED AND REPLACED BATTERY PACK IAW B737 AMM 33-51-06 OPS CHECK GOOD. S/N OFF 288072, S/N ON 297958. WORK PERFORMED BY P707, ENTERED BY V927860
- [SDR CALA2023091302764](https://openairdocs.org/sdr/CALA2023091302764.md): Stiffener · cracked · Sep 12, 2023 · N78509 · Boeing 737824 · Horizontal Stabilizer Structure
  > (EA5510-01843 REV H) RH HORZ STAB, STAB STA 111.10 STIFFENER 2 CRACKED AT TRANSITION RADIUS. REF TO PEMCO NR 14093.0561. REPAIRED RH HORZ STAB AT STA 111-10 VERTICAL STIFFENER NO 2 IAW B737 SRM 55-10-09-2R-4 FIG 202. REPAIRED RH HORZ STAB AT STA 111-10 VERTI
- [SDR CALA2023091302763](https://openairdocs.org/sdr/CALA2023091302763.md): Stringer · cracked · Sep 12, 2023 · N78509 · Boeing 737824 · Horizontal Stabilizer Structure
  > (EA 5510-01843 REV H) RH HORIZ STAB, STAB STA 129.5 3 CRACKED AT TRANSITION RADIUS. REF TO PEMCO NR 14093.0560 ENTERED BY V927860, INSPECTED BY V927860 REPAIRED RH HORZ STAB AT STA 129.5 VERTICAL STIFFENER NO 3 IAW B737 SRM 55-10-09-2R-4 FIG 202. WORK PERFORME
- [SDR CALA2023091102754](https://openairdocs.org/sdr/CALA2023091102754.md): Skin · cracked · Sep 10, 2023 · N78509 · Boeing 737824 · Passenger/Crew Doors
  > CUSTOMER REQUEST L2 DOOR LOWER INNER SKIN CRACKED. REF TO PEMCO NR 14093.0721 REMOVED, FABRICATED AND INSTALL NEW LOWE INNER SKIN FROM L-2 DOOR. IAW B737-800 SRM 51-40-02-0G-1 AND BOEING DRAWING 147A6152 REV C. WORK PERFORMED BY V928898, ENTERED BY V927860
- [SDR CALA2023091102753](https://openairdocs.org/sdr/CALA2023091102753.md): Bulkhead · cracked · Sep 10, 2023 · N78509 · Boeing 737824 · Fuselage Main, Bulkhead
  > LH WHEEL WELL, UPPER FWD BULKHEAD AT APPROX LBL42 CRACKED. REF TO PEMCO NR 14093.0059 P 5. REPAIR REQUIRES HFEC (REF SRM 57-10-10-2R-3 STEP & (B) FOR OF REPAIR, AND A THRESHOLD OF 36,000 FLIGHT CYCLES. REF B737 N. HFEC REQUIREMENTS). AFTER 56,000 FLIGHT CYCL
- [SDR CALA2023090802742](https://openairdocs.org/sdr/CALA2023090802742.md): Skin · cracked · Sep 6, 2023 · N78509 · Boeing 737824 · Fuselage Main, Plate/Skin
  > CUSTOMER REQUEST L2 DOOR LOWER INNER SKIN CRACKED. REF TO PEMCO NR 14093.0721 REMOVED, FABRICATED AND INSTALL NEW LOWE INNER SKIN FROM L-2 DOOR. IAW B737-800 SRM 51-40-02-0G-1 AND BOEING DRAWING 147A6152 REV C. WORK PERFORMED BY V928898, ENTERED BY V927860
- [SDR CALA2023090802739](https://openairdocs.org/sdr/CALA2023090802739.md): Bulkhead · cracked · Sep 1, 2023 · N78509 · Boeing 737824 · Fuselage Main, Bulkhead
  > LH WHEEL WELL, UPPER FWD BULKHEAD AT APPROX LBL42 CRACKED. REF TO PEMCO NR 14093.0059 P 5. REPAIR REQUIRES HFEC (REF SRM 57-10-10-2R-3 STEP & (B) FOR OF REPAIR, AND A THRESHOLD OF 36,000 FLIGHT CYCLES. REF B737 N. HFEC REQUIREMENTS). AFTER 56,000 FLIGHT CY
- [SDR CALA2023090402703](https://openairdocs.org/sdr/CALA2023090402703.md): Bulkhead · cracked · Sep 1, 2023 · N78509 · Boeing 737824 · Fuselage Main, Bulkhead
  > LH WHEEL WELL, UPPER FWD BULKHEAD AT APPROX LBL42 CRACKED. REF TO PEMCO NR 14093.0059 STEP 5. WORK PERFORMED BY V907635, ENTERED BY V927860 INSPECTED BY Q873. REMOVED DAMAGE AREA AND REPAIRED AT L/H WHEEL WELL UPPER FWD BUL KHEAD CENTER WING. PER B737-800 SRM
- [SDR CALA2023082102585](https://openairdocs.org/sdr/CALA2023082102585.md): Unknown · corroded · Aug 19, 2023 · N78509 · Boeing 737824 · Fuselage Miscellaneous Structure
  > SUPPORT TASK B737-53-3-0737-AFT- AFT CABIN WET AREA CABIN R-2 DOOR THRESHOLD SUPPORT CORROED STA 947 THRU STA 990 DOTS 921-35 REF TO PEMCO NR 14093.0506. REMOVED AND REPLACED NEW CHORD INNER P/N 147A8540U8 IAW B737-800 DWG 147A8540 AND SRM 51-40-02 AT AFT CABI
- [SDR CALA2023050501358](https://openairdocs.org/sdr/CALA2023050501358.md): Smoke Detector · unknown · May 3, 2023 · N78509 · Boeing 737824 · Smoke Detection
  > AFT LAV L SMOKE ALARM ACTIVATED FOR 30SEC NOTICED SLIGHT ELECTRI CAL SMELL NOTED WITH NO SMOKE AND NO FIRES FOUND INSIDE LAVATORY WASTE GALLEY INSPECTION AS REQUIRED WITH REFERENCE TO THE APPLICABLE GOOD AT THIS TIME. CONTAINER. STEPS IN THE BOEING 737 AMM 05-
- [SDR CALA2023040601057](https://openairdocs.org/sdr/CALA2023040601057.md): Transmitter · unknown · Apr 6, 2023 · N78509 · Boeing 7378 · Flight Control System
  > TRAILING EDGE FLAP DISAGREE..FLAPS STOPPED AT 25 PREFORMED QRH REMOVED FLAP POSITION TRANSMITTER IAW AMM 27-58-000-801,DID TRAILING EDGE FLAP SYSTEM MANUAL OPERATION TO FULL DOWN IAW AMM 27-51-00-980-801, PERFORMED TRAILING EDGE FLAP SYSTEM DEACTIVATION IAW AM
- [SDR CALA2023010900064](https://openairdocs.org/sdr/CALA2023010900064.md): Hmu · inoperative · Jan 9, 2023 · N78509 · Boeing 737824 · Cylinder Head Temperature (CHT) Indicating System
  > LEFT ENGINE UNABLE TO PRODUCE MORE THAN 90.1 WITH A REQUEST FOR MAX RIGHT ENG 100.3 CLOSE TO 80 DEGREES AT IDLE. REMOVED MAIN FUEL PUMP. INSTALLED NR 1 HMU IAW AMM 73-21-10-400-801-F00 UP TO STEP G. INSTALLED MAIN FUEL PUMP IAW AMM 73-11-11-400-801-F00. P
- [SDR CALA2021122702449](https://openairdocs.org/sdr/CALA2021122702449.md): Oil Filter · bypassing · Dec 27, 2021 · N78509 · Boeing 737824 · Powerplant System
  > ENG1 OIL FILTER BYPASS LIGHT ON TO REPLACE EDP AND SEALOL FOR DRIVE PAD. PER CREW DBRIEF BYPASS LIGHT REMAINED ILLUMINATED AT ALL POWER PULLED CHIP DETECTORS FOUND THEM BLACK DISCOLORED ONLY FAULT IN RECENT FAULTS FOR ENGINE ONE. CREW REPORTED ENGINE #1 DID NO
- [SDR CALA2021121002339](https://openairdocs.org/sdr/CALA2021121002339.md): None · failed · Dec 10, 2021 · N78509 · Boeing 737824 · Flight Control System
  > SPEED TRIM FAIL LIGHT ON.REMOVED AND REPLACED HORIZONTAL STAB TRIM MOTOR REF AMM 27-14-71. OPS CHKS GOOD
- [SDR CALA2020062901033](https://openairdocs.org/sdr/CALA2020062901033.md): Pressure Deck · cracked · Jun 27, 2020 · N78509 · Boeing 737824 · Fuselage Main, Structure
  > PRESSURE DECK HAS CRACK AT STA 663.75 AND RBL 43 JUST BELOW FLOOR BOARDS. REF FLEET CYCLE NR 9746952. REPAIRED VERTICAL PRESSURE WEB REF SRM57-10-10 REPAIR 3 ALT2. IS SUED DIP TO READ{PERFORM CATEGORY B REPAIR INSPECTIONS PER SRM 5 7-10-10 REPAIR 3 PAGE 217 TA
- [SDR CALA2020062201024](https://openairdocs.org/sdr/CALA2020062201024.md): Skin · cracked · Jun 22, 2020 · N78509 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LH HORIZONTAL STAB LOWER SKIN AT STA 184.70 SHOW A CRACK FWD TO AFT, ABOUT 1 INCH LONG. REPAIRED LH HORIZONTAL STAB SKIN AT STA 184.70 IN REF SRM 55 -10-01 REPAIR 11. INITIATED A DIP TO PERFORM AN INPECTION CAT B. INSPECTION TRESHOLD 56.000 FLIGHT CYCLES,
- [SDR CALA2020062201023](https://openairdocs.org/sdr/CALA2020062201023.md): Skin · cracked · Jun 22, 2020 · N78509 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > RT HORIZONTAL STAB LOWER SKIN ST STA 120.30 SHOWS A CRACK FWD TO AFT APROX 1 INCH IN LENGHT. REPAIRED RH HORIZONTAL STAB LOWER SKIN AT STA 120.30 IN REF SRM 55-10-01 REPAIR 11, INIATED A DIP TO PERFORM A CATEGORY B,INSP ECTION TRESHOLD 56.000 FLIGHT CYCLES AN
- [SDR CALA2020062201022](https://openairdocs.org/sdr/CALA2020062201022.md): Skin · cracked · Jun 21, 2020 · N78509 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB LOWER SKIN AT STA 157.10 SHOW CRACK FWD TO AFT APPROX ONE INCH LENGHT. REPAIRED LH HORIZONTAL STAB CRACK AT STA 157.10 IN REF SRM 55-10-01 REPAIR. INITIATE A DIP TO PERFORM A CATEGORY B INSP THRESHOLD 56.000 FLIGHT CYCLES THERE AFTER 9.00
- [SDR CALA2017080802509](https://openairdocs.org/sdr/CALA2017080802509.md): Rib · cracked · Aug 6, 2017 · N78509 · Boeing 737824 · Horizontal Stabilizer, Spar/Rib
  > LEFT HORIZONTAL STABILIZER RIB AT HSS 120 HAS A CRACK AT SECOND STIFFENER FROM THE FRONT. INSTALLED A REPAIR IAW SRM 55-10-09, FIG 202, REPAIR 4.
- [SDR CALA2017080802466](https://openairdocs.org/sdr/CALA2017080802466.md): Rib · cracked · Jul 31, 2017 · N78509 · Boeing 737824 · Horizontal Stabilizer, Spar/Rib
  > LEFT HORIZONTAL STABILIZER RIB AT HSS 120 HAS A CRACK AT THIRD STIFFENER FROM THE FRONT. INSTALLED A REPAIR IAW SRM 55-10-09, FIG 202, REPAIR 4.
- [SDR CALA2017063002046](https://openairdocs.org/sdr/CALA2017063002046.md): Lens · missing · Jun 30, 2017 · N78509 · Boeing 737824 · Emergency Lighting
  > LIGHTED EXIT SIGN IN REAR OF AIRCRAFT NEAR LIFE RAFT MISSING THE LENS. INSTALLED THE LENS.
- [SDR CALA2017040400836](https://openairdocs.org/sdr/CALA2017040400836.md): Sign · detached · Apr 4, 2017 · N78509 · Boeing 737824 · Emergency Equipment
  > EXIT SIGN OVER STOWAGE AREA 425, AFT LIFE RAFT, HAS FALLEN FROM CEILING. REINSTALLED EXIT SIGN COVER.
- [SDR CALA2017031000569](https://openairdocs.org/sdr/CALA2017031000569.md): Fitting · broken · Mar 10, 2017 · N78509 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT LITE ABOVE FLIGHT DECK DOOR HAS A BROKEN CLIP AND WILL NOT STAY ON. REPLACED LITE ASSY OP CHKS NORMAL.
- [SDR CALA2016030300142](https://openairdocs.org/sdr/CALA2016030300142.md): Power Supply · inoperative · Mar 3, 2016 · N78509 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT LIGHTS ROWS 23 - 31 INOPERATIVE. REPLACED LT MID-SECTION BATTERY SUPPLY & BATTERY AT STATION 727 IAW MM 33-51-06 & TESTED OK.
- [SDR CALA2015051500399](https://openairdocs.org/sdr/CALA2015051500399.md): Rib · cracked · May 14, 2015 · N78509 · Boeing 737824 · Horizontal Stabilizer, Spar/Rib
  > RIGHT STAB IN SPAR RIB STIFFENER NR 2 AT STATION 92.70 IAW STEP 2 A CRACKED. REPAIRED CRACKS IN RIB IAW SRM 55-10-09 REPAIR 4 REF NR 9743184. INSTALLED EXTERNAL REPAIR DOUBLER IAW SRM 55-10 -01 REPAIR 11. DIP INITIATED FOR INSPECTION THRESHOLD OF 56,000 FLI
- [SDR CALA2012073000477](https://openairdocs.org/sdr/CALA2012073000477.md): Skin · cracked · Jul 29, 2012 · N78509 · Boeing 737824 · Horizontal Stabilizer, Plate/Skin
  > LT HORIZONTAL STAB LOWER SKIN IS CRACKED AT INBD FLANGE OF STA 129. 5, RIB 18" AFT OF FWD SPAR. CRACK IS APPROX 2.5" LONG CUT OUT DAMAGE AND INSTALLED REPAIR PARTS REF SRM 55-10-01, REPAIR 11

## 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 = 'N78509' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N78509/reports

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