# Service difficulty reports: N73445

A list on [N73445](https://openairdocs.org/aircraft/N73445.md).

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

- [SDR CALA2026051716321](https://openairdocs.org/sdr/CALA2026051716321.md): Angle · cracked · May 16, 2026 · N73445 · Boeing 737924ER · Horizontal Stabilizer Miscellaneous Structure
  > VERTICAL STABILIZER,UPPER FUSELAGE LEFT FILLET SUPPORT LOWER PANELS FROM STA 1016 TO 1138 FORWARD AREA HAS CRACKED OTHER AREAS HAS DEEP GOUGES. ACCOMPLISHED REPAIR AT VERTICAL STABILIZER UPPER FUSELAGE LH CLOSURE ANGLE IAW AAR ESR-WI 5-15207, ECRA 5380-01447,
- [SDR CALA2026051316208](https://openairdocs.org/sdr/CALA2026051316208.md): Web · dented · May 12, 2026 · N73445 · Boeing 737924ER · Fuselage Miscellaneous Structure
  > DENTS ON FLIGHT DECK FLOOR AT STA 255 LBL 18 TO RBL 3. 241-002. REPAIR ACCOMPLISHED IN ACCORDANCE WITH SRM 53-10-51-2R-2 PAGE 1-9 FIGURE 202 AND SRM 51-40-02-0G-0 PAGE 1-40 FIGURE 202.
- [SDR CALA2026050816075](https://openairdocs.org/sdr/CALA2026050816075.md): Support Angle · cracked · May 6, 2026 · N73445 · Boeing 737924ER · Fuselage Miscellaneous Structure
  > CENTER REAR SPAR VAPOR WEB SUPPORT ANGLE CRACKED AT STA. 663.75 AND LBL 7. REPAIR ACCOMPLISHED IAW SRM 57-10-10-2R-5 PAGE 1-12 FIGURE 202. REPAIR ACCOMPLISHED IAW SRM 57-10-10-2R-5 PAGE 1-12 FIGURE 202. REPAIR ACCOMPLISHED IAW SRM 57-10-10-2R-5 PAGE 1-12 F
- [SDR CALA2026050716058](https://openairdocs.org/sdr/CALA2026050716058.md): Floorbeam · cracked · May 6, 2026 · N73445 · Boeing 737924ER · Fuselage Main, Floor Beam
  > MAIN CABIN FLOORBEAM CRACKED AT RBL1 TO RBL 24 STA 540. REPAIR ACCOMPLISHED IAW SRM 51-40-02-OG-0 PAGE 1-40 FIGURE 14 AND SRM 51-40-05-0G-0 PAGE 1-20 FIGURE 6.
- [SDR CALA2026050716056](https://openairdocs.org/sdr/CALA2026050716056.md): Floorbeam · cracked · May 6, 2026 · N73445 · Boeing 737924ER · Fuselage Main, Floor Beam
  > MAIN CABIN FLOORBEAM CRACKED AT LBL1 TO LBL 24 STA 540. REPAIR ACCOMPLISHED IAW SRM 51-40-02-OG-0 PAGE 1-40 FIGURE 14 AND SRM 51-40-05-0G-0 PAGE 1-20 FIGURE 6
- [SDR CALA2026032314755](https://openairdocs.org/sdr/CALA2026032314755.md): Battery Pack · inoperative · Mar 21, 2026 · N73445 · Boeing 737924ER · Emergency Lighting
  > SEAT MOUNTED EMERGENCY LIGHTS ON SEAT ROWS 35ABC TO 39ABC INOPERATIVE. REMOVED BATTERY PACK AND REPLACED BATTERY PACK WITH A NEW BATTERY PACK P/N AD-D717-01-100 S/N 376 885 AT AFT GALLEY CEILING PANEL LT IAW AMM 33-51-06-9 60-805, AND PERFORMED EMERGENCY LIGH
- [SDR CALA2026032314754](https://openairdocs.org/sdr/CALA2026032314754.md): Battery Pack · inoperative · Mar 21, 2026 · N73445 · Boeing 737924ER · Emergency Lighting
  > L2 DOOR EMERGENCY LIGHT SIGNS INOP. REMOVE BATTERY PACK AND REPLACE BATTERY PACK WITH A NEW BATTERY PACK P/N AD-D717-01-100 S/N 37688 5 AT AFT GALLEY CEILING PANEL LT IAW AMM 33-51-06-960 -805, AND PERFORMED EMERGENCY LIGHTS OPS TEST IAW AMM 33-51-00-720-8
- [SDR CALA2025111111135](https://openairdocs.org/sdr/CALA2025111111135.md): Slide · no discrepancy · Nov 10, 2025 · N73445 · Boeing 737924ER · Escape Slide
  > SLIDE IS NOT DETACHING FROM DOOR. FA CONCERNED ABOUT SMALL GAP BETWEEN SLIDE PACK ASSY AND THE DOOR. VERIFIED SCREW TIGHTNESS ON SLIDE PACK COVER ASSY TO DOOR REF AMM TASK 25-66-01-400-803. NO FURTHER DEFECTS NOTED AT THIS TIME. OK TO CONTINUE SERVICE AT THIS
- [SDR CALA2025100209529](https://openairdocs.org/sdr/CALA2025100209529.md): Battery Pack · inoperative · Oct 2, 2025 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK. EMERGENCY LIGHTS INOP, ROW 7 TO 14. REPLACED BATTERY PACK AT ROW 8A, SN OFF 309032, SN ON 375810. REF AMM 33-51-06, ROWS 7 THRU 14 CHECK GOOD.
- [SDR CALA2025091508873](https://openairdocs.org/sdr/CALA2025091508873.md): Battery Pack · no test · Sep 12, 2025 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTS FROM ROW 28-34 INOP REMOVED AND REPLACED BATTERY PACK ON M1898 IN CEILING PANEL AT ROW 28 REF MM 33-51-06. OPS CHECKS GOOD
- [SDR CALA2025091008715](https://openairdocs.org/sdr/CALA2025091008715.md): Battery Pack · discharged · Sep 9, 2025 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY FLOOR PROXIMITY LIGHTS FROM ROW 28 TO 34 INOPERATIVE IAW FIM 33-50 TASK 801. R & R EMERGENCY EXIT LIGHT BATTERY PACK & POWER SUPPLIES M1670 AND M1671 REF AMM 33-51-06. CHRGED BATERRY PACK FOR 90 MINUTES. NO HELP. PUT OLD BATTERY PACKS AND POWER SUPPL
- [SDR CALA2025080707441](https://openairdocs.org/sdr/CALA2025080707441.md): Lens · missing · Aug 6, 2025 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY EXIT LIGHT LENS MISSING, FWD COAT CLOSET. REPLACED THE LENS, OPS CHECK EMERGENCY LIGHT OK.
- [SDR CALA2025062605914](https://openairdocs.org/sdr/CALA2025062605914.md): Lamp · burned out · Jun 24, 2025 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK. DOOR 2L EXTERNAL EMERGENCY LIGHT INOP. REPLACED THE LAMP, OPS OK IAW AMM 33-51-04.
- [SDR CALA2025062505869](https://openairdocs.org/sdr/CALA2025062505869.md): Shutoff Valve · binding · Jun 22, 2025 · N73445 · Boeing 737924ER · Compressor Bleed Valve
  > NUMBER 1 ENG 9 PSI LEFT BLEED AFTER TAKEOFF PLACARDED #1 ENGINE BLEED PER MEL 3605A, LOCKED #1 PRSOV CLOSED. DISPATCH DESK: 35 TOMC APPROVES PLACARDED #1 ENGINE BLEED INOP PER MEL 3605A, PRSOV NEEDS REPLACEMENT REF AMM 36-11-04. REMOVED AND REPLACED ENG 1 PRSO
- [SDR CALA2025061605562](https://openairdocs.org/sdr/CALA2025061605562.md): Switch · faulted · Jun 12, 2025 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHT NOT ARM OVEREAD PANEL FALLS OUT REMOVED AND REPLACED EMERGENCY KIGHT NOT ARM SWITCH PER AMM 33-18-00-960-802. OPS CHK NORMAL.
- [SDR CALA2025041603893](https://openairdocs.org/sdr/CALA2025041603893.md): Slide · unsecure · Apr 13, 2025 · N73445 · Boeing 737924ER · Escape Slide
  > ESCAPE SLIDE PACK BUSTLE DAMAGED 2L SLIDE EXCESSIVE MATERIAL OUTSIDE HOUSING. REMOVED AND REPLACED 2L DOOR SLIDE ASSY REF AMM 25-66-01.
- [SDR CALA2025031802914](https://openairdocs.org/sdr/CALA2025031802914.md): Slide · no discrepancy · Mar 14, 2025 · N73445 · Boeing 737924ER · Escape Slide
  > DOOR 1L EMERGENCY SLIDE HAS METAL PART HANGING LOWER THAN NORMAL UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. INSPECTED DOOR SLIDE INSTALLATION REF AMM TASK 25-66-01-200-802 SLIDE IS INSTALLED AND STOWED CORRE
- [SDR CALA2025031302786](https://openairdocs.org/sdr/CALA2025031302786.md): Filter · dirty · Mar 12, 2025 · N73445 · Boeing 737924ER · Air Distribution System
  > MOLDLY OLD SOCK SMELL AT LOW ALTITUDES AND HIGH POWER SETTINGS OPERATED APU AND PACKS. NOTICED THERE WAS A STRONG OIL ODOR THROUGHOUT CABIN AND COCKPIT. PERFORMED FIM TASK 05-51-26-800-801-C1, SMOKE/ODOR IN FLIGHT DECK/ CABIN. FOUND RIGHT RECIRCULATION FILTER
- [SDR CALA2025022402450](https://openairdocs.org/sdr/CALA2025022402450.md): Probe · faulted · Feb 21, 2025 · N73445 · Boeing 737924ER · Fuel Quantity Indicator
  > LEFT WING TANK INDICATOR FLUXUATING UP AND DOWN PERFORMED NO.1 FQIS DRY RESISTANCE AND CAPACITANCE CHECK REF AMM 28-41-21-710-801, FOUND NO.1 FQIS TANK UNITS F2,F3,F4,F5,F6,F7 OUT OF TOLERANCE. REMOVED AND REPLACED NO.1 FQIS TANK UNITS F2,F3,F4,F5,F6,F7 REF AM
- [SDR CALA2024122603165](https://openairdocs.org/sdr/CALA2024122603165.md): Oil Filter · faulty · Dec 25, 2024 · N73445 · Boeing 737924ER · Turbine Engine Oil System
  > NUMBER 2 ENGINE FILTER BYPASS. LIGHT BECAME STEADY. ENGINE SHUT DOWN. BITE FOR BYPASS OR OIL SCREEN. CREW BRIEFING: LIGHT BECAME STEADY WHEN E2 WAS BROUGHT TO IDLE. ENGINE NEVER LEFT NORMAL OPERATING LIMITS. CREW SHUT DOWN E2 FOLLOWING HIS QRH. NO LIMIT ON W
- [SDR CALA2024091600635](https://openairdocs.org/sdr/CALA2024091600635.md): Egt Indication · activated · Sep 14, 2024 · N73445 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > ON TAKE OFF AFTER ROTATION NR 1 ENGINE EGT AT 895-900 PERFORMED ENGINE 1 EXCEEDANCE CHECK. 962 DEGREES FOR ONE SECOND, REF FIM 71-00 TASK 805. REFERENCE TASK CARD 58-7200-9-0005
- [SDR CALA2023110303277](https://openairdocs.org/sdr/CALA2023110303277.md): Unknown · unknown · Oct 31, 2023 · N73445 · Boeing 737900ER · Fuselage Structure (General)
  > LARGE BIRD HIT NOSE OF A/C ON TAKEOFF AT 100KTS. REJECTED TAKEOFF AND RETURNED TO GATE. INFO ADDED. SEPERATE LOG FOR RTO 6174392. LOCATION OF BIRD STRIKE WAS LOWER LEFT SIDE OF FUSELAGE AFT OF RADOME. RADOME NOT AFECTED. AREA CLEANED AND INSPECTED. ACPD BIRD
- [SDR CALA2023060901799](https://openairdocs.org/sdr/CALA2023060901799.md): Skin · corroded · Jun 8, 2023 · N73445 · Boeing 737900ER · Wing Structure
  > RT WING FWD SPAR WS 527 LOWER HAS SPOT OF CORROSION. REF. BAN N/R 001406187. ACTUAL WS IS 512 (RIB 17). ALL WORK ACCOMPLISHED. PLACED ON DIP TO " PERFORM AN INSPECTION ECRA 5721-01476 ON OR BEFORE NOVEMBER 30, 2024". OF THE R/H LOWER WING SKIN REPAIR IN ACCOR
- [SDR CALA2023060701775](https://openairdocs.org/sdr/CALA2023060701775.md): Skin · cracked · Jun 6, 2023 · N73445 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > A ACCESS HOLE WAS CUT IN LOWER L/H HORIZONTAL SKIN FOR RIB CRACK ACCESS AT STA 120. SEE NON-ROUTINE 001393784 FOR REAIR DOUBLER INSTALLATION. A DIP AND SFR IS NEEDED TO BE ISSUED FOR REPAIR DO UBLER. EXTERNAL PART OF DOUBLER ALSO PERFORM A LFEC INSPECTION ON T
- [SDR CALA2023060701774](https://openairdocs.org/sdr/CALA2023060701774.md): Unknown · unknown · Jun 6, 2023 · N73445 · Boeing 737924ER · Fuselage Structure (General)
  > REPAIR TO L/H CREASE BEAM SHEAR WEB BS 847-867. ACCOMPLISHED) PLACED ON DIP TO " PERFORM INSPECTION OF THE LH ECRA 5311-03006 ON OR BEFORE THE AIRCRAFT REACHING 50,000 TOTAL CREASE BEAM WEB FROM BS 847-867 IN ACCORDANCE WITH PART 2 OF CYCLES". PREFORMED INTERI
- [SDR CALA2023060501760](https://openairdocs.org/sdr/CALA2023060501760.md): Crease Beam · corroded · Jun 4, 2023 · N73445 · Boeing 737924ER · Fuselage Main, Structure
  > L/H CREASE BEAM FS 867 CORRODED. (REF. BAM N/R 001390203) FOR ESFR REPORTING PURPOSES REPAIRED L/H CREASE BEAM INNER CHORD AT BS 867 REF. ECRA 5311-03004 AND BAM N/R 001390203 FOR ALL WORK PERFOMED. FOR ESFR REPORTING PURPOSES. VERIFIED REPAIR PER ECRA 5311-03
- [SDR CALA2023053101724](https://openairdocs.org/sdr/CALA2023053101724.md): Unknown · unknown · May 30, 2023 · N73445 · Boeing 737924ER · Fuselage Structure (General)
  > R/H CREASE BEAM INNER CORD BETWEEN STA 847-STA 877 WAS REPAIRED PER EC/RA 5311-03003 REF NON-ROUTINE 1390202 FOR WORK ACCOMPLISH ED. P/N 146A5910-32 LOG BOOK ENTERY REQUIRED FOR SFR (SIGNIFICAN T FINDINGS REPORT). CREATED SFR. SFR NUMBER 1032596.
- [SDR CALA2023052201597](https://openairdocs.org/sdr/CALA2023052201597.md): Crease Beam · damaged · May 19, 2023 · N73445 · Boeing 737900ER · Fuselage Main, Structure
  > RH CREASE BEAM INNER CORD BETWEEN STA785 TO STA807 WAS REPAIRED PER EC/RA 5311-03001 REF NON-ROUTINE 1390195 FOR WORK ACCOMPLISH ED. P/N 146A5910-32 LOG BOOK ENTERY REQUIRED FOR SFR (SIGNIFICAN T FINDINGS REPORT). THIS REPAIR IS MAJOR REPAIR.THIS ELB LOG IS CH
- [SDR CALA2018092802003](https://openairdocs.org/sdr/CALA2018092802003.md): Power Supply · inoperative · Sep 28, 2018 · N73445 · Boeing 737924ER · Emergency Lighting
  > ALL EMER EXIT LIGHTS ON M1670 PWR SUPPLY DO NOT WORK. REPLACED BATTERY PACK AND CHARGER REF AMM 33-51-06-201. OPS CHECKED OK UNSPECTED EMERGENCY LIGHTS OPS CHECK GOOD
- [SDR CALA2018012900393](https://openairdocs.org/sdr/CALA2018012900393.md): Lens · broken · Jan 29, 2018 · N73445 · Boeing 737924ER · Emergency Lighting
  > SEAT AISLE EEL LIGHT BROKEN. INSTALLED NEW LENS. OPS NORMAL. REF AMM 33-51-11.
- [SDR CALA2018011900240](https://openairdocs.org/sdr/CALA2018011900240.md): Lamp · loose · Jan 19, 2018 · N73445 · Boeing 737924ER · Indicating/Recording System
  > EMERGENCY LIGHTS NOT ARMED INDICATOR LIGHT IS LOOSE ON THE OVERHEAD PANEL. REPLACED THE LAMP, REINSTALLED NOT ARMED CAP. SECURE AND OPS NORMAL.
- [SDR CALA2017100103363](https://openairdocs.org/sdr/CALA2017100103363.md): Connector · disconnected · Oct 1, 2017 · N73445 · Boeing 737924ER · Light System Wiring
  > SEAT 30 ABC EMERGENCY LIGHT IS INOP FOUND CONNECTOR OFF AT SEAT 30ABC, RECONNECTED AND OPERATIONAL CHECK GOOD IAW AMM 33-51-11-960-802.
- [SDR CALA2017100103362](https://openairdocs.org/sdr/CALA2017100103362.md): Light · inoperative · Oct 1, 2017 · N73445 · Boeing 737924ER · Emergency Lighting
  > DOOR 2L OUTSIDE EMERGENCY LIGHT IS INOP RELAMPED SLIDE LIGHT AT DOOR 2L, OPERATIONAL CHECK GOOD IAW AMM 33-51-04-960-801.
- [SDR CALA2017080802566](https://openairdocs.org/sdr/CALA2017080802566.md): Lens · missing · Aug 8, 2017 · N73445 · Boeing 737924ER · Emergency Lighting
  > FWD EMERGENCY EXIT LIGHT COVER MISSING ON FWD LEFT BULKHEAD. INSTALLED NEW EXIT LENS ON FWD LEFT BULKHEAD. ACFT OK TO CONTINUE.
- [SDR CALA2017062301969](https://openairdocs.org/sdr/CALA2017062301969.md): Connector · damaged · Jun 23, 2017 · N73445 · Boeing 737924ER · Light System Wiring
  > SEAT 11ABC EMERGENCY LIGHT INOP. FOUND MATE-N-LOK CONNECTER BLOCK DAMAGED AT SEAT TO SEAT TRACK CONNECTION ON SEAT HARNESS SIDE. REPLACED MALE HALF MATE-N-LOK BLOCK IAW BSWPM 20-42-01. EMERGENCY LIGHTS CHECK GOOD IAW AMM 33-51-00.
- [SDR CALA2017062301968](https://openairdocs.org/sdr/CALA2017062301968.md): Battery Pack · faulty · Jun 23, 2017 · N73445 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK AT M1673 CHARGER FAILS CAPACITY CHECK. REPLACED BATTERY PACK AT M1673 CHARGER AND RE-TESTED CAPACITY, CHECKS GOOD IAW AMM 33-51-06.
- [SDR CALA2017031700608](https://openairdocs.org/sdr/CALA2017031700608.md): Bulb · burned out · Mar 16, 2017 · N73445 · Boeing 737924ER · Emergency Lighting
  > R2 DOOR EMERGENCY EXIT SIGN HAS BULBS BURNED OUT. REMOVED AND REPLACED EXIT INDICATOR LIGHT IAW AMM 33-51-01-960-802. LIGHT OPS CHECKED GOOD IAW AMM 33-51-01-960-802.
- [SDR CALA2017031700607](https://openairdocs.org/sdr/CALA2017031700607.md): Bulb · burned out · Mar 16, 2017 · N73445 · Boeing 737924ER · Emergency Lighting
  > RIGHT AFT OVERWING EMERGENCY EXIT SIGN HAS BURNED OUT BULBS. REPLACED THE BULBS, OPS CHECKS GOOD IAW AMM 33-51-01.
- [SDR CALA2017022600491](https://openairdocs.org/sdr/CALA2017022600491.md): Trim Motor · faulty · Feb 26, 2017 · N73445 · Boeing 737924ER · Stabilizer Actuator
  > STABILIZER FAILS TO TRIM NOSE UP AND NOSE DOWN. EMERGENCY DECLARED. REMOVED AND REPLACED STABILIZER TRIM MOTOR AS PER AMM 27-41-71-0 00-801,TEST OK
- [SDR CALA2016112500968](https://openairdocs.org/sdr/CALA2016112500968.md): Battery Pack · discharged · Nov 25, 2016 · N73445 · Boeing 737924ER · Emergency Lighting
  > FIRST CLASS SEAT EMERGENCY LIGHT WON’T COME DURING TEST. T/S PROBLEM TO BAD BATTERY CHARGER IN OVERHEAD COMPARTMENT AFT OF COCKPIT DOOR STA 310 REF WD 33-51-21 P107 M2816. REPLACED CHARGER 29-3351-3-0031 AND BATTERY PACK 29-3351-3-0013. LIGHT CHECK GOOD.
- [SDR CALA2016090100615](https://openairdocs.org/sdr/CALA2016090100615.md): Skin · cracked · Aug 30, 2016 · N73445 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STABILIZER LOWER SURFACE HAS THREE CRACKS AT HSS 129.50. FOUND FOURTH CRACK ON LOWER SKIN JUST FORWARD OF REAR BETWEEN HSS 129.50 AND 120.30. REPAIRED IAW SRM 55-10-01 REPAIR 11.
- [SDR CALA2014011600074](https://openairdocs.org/sdr/CALA2014011600074.md): Light · missing · Jan 16, 2014 · N73445 · Boeing 737924ER · Emergency Lighting
  > SPT SEAT 15 ABC EMERGENCY EXIT PATH LIGHT MISSING, RED. REPLACED EMERGENCY EXIT PATH LIGHT, RED, ON SEAT 15 ABC IAW B737-900ER 33-51-11, OPERATIONS CHECKED GOOD.

## 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 = 'N73445' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N73445/reports

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