# Service difficulty reports: N39475

A list on [N39475](https://openairdocs.org/aircraft/N39475.md).

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

- [SDR CALA2026063017477](https://openairdocs.org/sdr/CALA2026063017477.md): Sensor · faulted · Jun 28, 2026 · N39475 · Boeing 737924ER · Trailing Flap Position Indicating System
  > ON APPROACH FLAP ASSYMETRY LESS THAN 1 DEGREE. FULL LEADING E DGE SLATS UPON TROUBLESHOOTING FOUND MAINTENANCE MESSAGE 27-52259 ON FSCU FOR TE FLAP SENSOR LEFT I REMOVED AND REPLACED LEFT FLAP POSITION SENSOR IAW AMM TASK 27-58-01-400-801 OPS CHECK GOOD.
- [SDR CALA2026060416816](https://openairdocs.org/sdr/CALA2026060416816.md): Battery Pack · no test · Jun 3, 2026 · N39475 · Boeing 737924ER · Emergency Lighting
  > OPS CHECKED EMERGENCY LIGHTS, DOOR 2R EMERGENCY EXIT SIGNS AND SLIDE LIGHT ARE INOP. ACCOMPLISHED BATTERY PACK REPLACEMENT PER MM33-51-06-960-805. OPS CK OK.
- [SDR CALA2026011412962](https://openairdocs.org/sdr/CALA2026011412962.md): Hmu · faulted · Jan 11, 2026 · N39475 · Boeing 737924ER · Fuel Controlling System
  > N1 ON ENG 1 DIDNT SPOOL UP, PERFORMED EEC BITE, TEST PASSED WITH NO FAULTS. ONLY FAULT SHOWING WAS 10 FLT CYCLES HPT ACC. PERFORMED ENG ACCELERATION CHECK IAW AMM 71-00-00-700-824-F00, FOUND NR 1 ENG SLOW TO SPOOL AS COMPARED TO NR 2 ENG. TOOK BOTH THOTTLES
- [SDR CALA2025123012530](https://openairdocs.org/sdr/CALA2025123012530.md): Wire Harness · damaged · Dec 28, 2025 · N39475 · Boeing 737924ER · Light System Wiring
  > EMERGENCY LIGHT HARNESS AT BS 875 NOT IN PROPERLY CONFIGURATION IAW DWG 40N01810, AND HAS DAMAGE IN SEVERAL AREAS. SUPPORT TASK NSA EMX N/R 00077. REMOVED INCORRECT WIRING FROM EEPL BR9672-A-60 AND REPLACED WITH WIRING HARNESS SECTIONS P/N BR9635-60-24 AND
- [SDR CALA2025111711257](https://openairdocs.org/sdr/CALA2025111711257.md): Power Supply · inoperative · Nov 15, 2025 · N39475 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTS - OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK - SEATS 15A,20A,21A EMERGENCY AISLE LIGHT DO NOT ILLUMINATE SLAVED IN NEW POWER SUPPLY ON EMERGENCY EXIT LIGHT BATTERY PACK (M1670) (1673) (M2626) (2503) IAW AMM 33-51-06 NO JOY, OLD PO
- [SDR CALA2025111711232](https://openairdocs.org/sdr/CALA2025111711232.md): Light · no discrepancy · Nov 14, 2025 · N39475 · Boeing 737924ER · Emergency Lighting
  > DOOR 2L EMERGENCY EXIT SIGNS DO NOT ILLUMINATE. PREFORMED EMERGENCY LIGHT OPS TEST IAW AMM 33-51-00 OPS CHECKED GOOD.
- [SDR CALA2025111711231](https://openairdocs.org/sdr/CALA2025111711231.md): Light · detached · Nov 14, 2025 · N39475 · Boeing 737924ER · Emergency Lighting
  > SEAT 15C AISLE RED EMERGENCY LIGHT BROKEN OFF. INSTALLED NEW AISLE RED EMERGENCY LIGHT ASSY REF AMM 33-51-11.
- [SDR CALA2025051904763](https://openairdocs.org/sdr/CALA2025051904763.md): Wire · detached · May 16, 2025 · N39475 · Boeing 737924ER · Light System Wiring
  > EMERGENCY EXIT LIGHTS INOP AT SEAT ROWS 33, 34, 35, 36, 37, 38, 39 FOUND TWO SPLICES WITH ONLY ONE END CONNECTED TO EMERGENCY LIGHT AT SEAT 34ABC. JUMPERED WIRES FROM POWER SUPPLY M2626 TO SPLICES AND EMERGENCY LIGHTS AT ROWS 34-39 TURN ON. RETURNED WIRES TO O
- [SDR CALA2025041803976](https://openairdocs.org/sdr/CALA2025041803976.md): Unknown · odor · Apr 17, 2025 · N39475 · Boeing 737924ER · Air Distribution System
  > MUSTY SMELL ON TAKEOFF AND LANDING IN CABIN AND COCKPIT ON CREW DEBRIEF STATED ODOR WAS ONLY PRESENT IN THE FLIGHT DECK. FA AND PAX DID NOT SMELL ANYTHING. MILD ODOR WAS PRESENT THOUGH TO AND THEN DISSIPATED FOR THE REST OF THE FLIGHT BUT CAME BACK ON LANDING
- [SDR CALA2025041103703](https://openairdocs.org/sdr/CALA2025041103703.md): Filter · odor · Apr 9, 2025 · N39475 · Boeing 737900ER · Air Distribution System
  > BAD ODOR IN FLTGHT DECK AFTER NR1 ENGINE START ALSO ON DESCEND OPENED UP LEFT ENG BLEED DUCTS LOW AND HIGH STAGE, NO OIL OR OIL FILM FOUND, SECURED BLEED DUCTS, NO LEAKS REF AMM36-11-01-000-802. RAN #1 ENG IDLE PWR LEFT BLEED ON, L&R PACKS ON, #2 ENG OFF, HAD
- [SDR CALA2025041103693](https://openairdocs.org/sdr/CALA2025041103693.md): Unknown · odor · Apr 8, 2025 · N39475 · Boeing 737900ER · Air Distribution System
  > REF LP 4439395, NEED TO ACCOMPLISH AMM 05-51-26-800-901-C1. SEE ATTACHED SMOKE ODOR QUESTIONAIRE SEE PICS PICS REF AMM 05-51-26-800-901-C1, ITEM E - DISPOSITON OF EVENT, ACPD LEFT AND RIGHT PART PWR RUN, BLEEDS ON, ISOLATED, PACKS ON, OIL ODOR IS COMING FOR
- [SDR CALA2025031902959](https://openairdocs.org/sdr/CALA2025031902959.md): Bracket · loose · Mar 17, 2025 · N39475 · Boeing 737924ER · Fuselage Main, Attach Fittings
  > GIRT BAR BRACKET ON DOOR 1R IS VERY LOOSE. ADJUSTED GIRT BAR DOOR STOWAGE HOOKS. REF AMM 25-66-01
- [SDR CALA2024122601651](https://openairdocs.org/sdr/CALA2024122601651.md): Bracket · loose · Dec 24, 2024 · N39475 · Boeing 737924ER · Emergency Equipment
  > 1L GIRT BAR BRACKET LOOSE INSP DOOR 1L GIRT BAR, AND FLOOR MOUNTED LIDE BRACKETS, NO DEFECTS NOTED, REF AMM 25-66-02-210-002.
- [SDR CALA2024101100818](https://openairdocs.org/sdr/CALA2024101100818.md): Unknown · odor · Oct 8, 2024 · N39475 · Boeing 737924ER · Air Distribution System
  > STRONG FUEL SMELL IN BACK. REQ MX ASSESS. UPDATED CREW QUESTIONAIRE PERFORMED CONDITIONAL INPECTION PER AMM 05-51-26-800-801-C1, PERFORMED ENGINE RUNS AND PACK RUN OUTS NO FINDINGS
- [SDR CALA2023082802656](https://openairdocs.org/sdr/CALA2023082802656.md): Skin · damaged · Aug 26, 2023 · N39475 · Boeing 737900ER · Fuselage Main, Plate/Skin
  > RIGHT SIDE AIRCRAFT DAMAGED. DAMAGE IS LOCATED AT STA. 344 BETWEEN STRINGERS 21R AND 22R. C/W AVO011117 REV. A STEP 8. PERFORMED HFEC INSPECTION ALONG THE TRIM EDGE REF. NDT PART 6, 51-00-00 PROC. 23. NO DAMAGE NOTED. TRIM-OUT DAMAGE AREA AND COMPLY WITH AVO11
- [SDR CALA2022092802525](https://openairdocs.org/sdr/CALA2022092802525.md): None · inoperative · Sep 28, 2022 · N39475 · Boeing 737 · Lighting System
  > FWD CLOSET EMERGENCY LIGHT INOP. COVER ALSO MISSING. REPLACED FWD CLOSET AFT LIGHT ASSY PER AMM 33-51-14 AND SWPM 20-63-00. OP CHECKS GOOD. ADD EMP:U102091 OP CHECKS OK PER AMM 33-51-14. EMERGENCY LIGHT INSPECTED ON LOG #9621740.
- [SDR CALA2022030100540](https://openairdocs.org/sdr/CALA2022030100540.md): Hub Cap · missing · Mar 1, 2022 · N39475 · Boeing 737900ER · Main Landing Gear Attach Section
  > PDA 1 #1 MLG TIRE HUBCAP MISSING. HUBCAB PLACED ON CDL 32W & O/B ANTI SKID PLACED ON MEL 3202C. INSPECTED RIM ASSY, OK INSTALLED NEW HUB CAP ASSY REF AMM 32-42-11-420-003
- [SDR CALA2022030100539](https://openairdocs.org/sdr/CALA2022030100539.md): Seal · missing · Mar 1, 2022 · N39475 · Boeing 737900ER · Trailing Flap Position Indicating System
  > PDA 3 LEFT WING #3 T/EDGE FLAP CANOE OUTBD SIDE CENTER SEAL MISSING -- SEE PHOTO PHOTO ADDED REPLACED TORN SEAL REF SRM 51-40-02.
- [SDR CALA2021073001227](https://openairdocs.org/sdr/CALA2021073001227.md): Transceiver · failed · Jul 30, 2021 · N39475 · Boeing 737924ER · Weather Radar System
  > WEATHER RADAR FAILED REMOVED WEATHER RADAR TRANSCIEVER. BREAKER PULLED. PARTS AT LEAD DESK REMOVED REF MM 34-43-41-000-801 REMOVED AND REPLACED TH WEATHER TRANSMITTER. NO HELP. REF AMM 34-43-41-400-801. REMOVED AND REPLACED RADAR DRIVE UNIT. REF AMM 34-43-1
- [SDR CALA2019052700849](https://openairdocs.org/sdr/CALA2019052700849.md): Unknown · malfunctioned · May 27, 2019 · N39475 · Boeing 737924ER · HF Communications System
  > HF 1 INOP. REPLACED LEFT HF TRANSCEIVER AS PRECAUSION AND 5X5 RADIO CHECK W ITH SFO ON 8843 AND 5574. REF AM 23-11-21. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1164671 SN OFF 0402 IPC REFERENCE # 2300 TRANSCEIVER, HF OFF 29-2311-9-0010 8502 ON 29-2311-9-001
- [SDR CALA2017103003871](https://openairdocs.org/sdr/CALA2017103003871.md): Light · inoperative · Oct 30, 2017 · N39475 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHT INOP ON SEAT 28C. R&R SEAT 28C EMERGENCY LIGHT ENDBAY LIGHT HOUSING ASSY PER CMM 25-22-53, EMERGENCY LIGHT OPS CHECK GOOD PER AMM 33-26-03.
- [SDR CALA2017101303611](https://openairdocs.org/sdr/CALA2017101303611.md): Lens · broken · Oct 13, 2017 · N39475 · Boeing 737924ER · Emergency Lighting
  > SEAT ROW 21 ABC EMERGENCY LIGHT LENS BROKEN. REMOVED AND REPLACED THE EMERGENCY LIGHT LENS.
- [SDR CALA2015063000545](https://openairdocs.org/sdr/CALA2015063000545.md): Pump · malfunctioned · Jun 30, 2015 · N39475 · Boeing 737924ER · Hydraulic Pump (Electric/Engine), Main
  > SHORTLY AFTER TAKEOFF ENG NR 1 LOW PRESS HYD LIGHT ILLUMINATED. QRH PROCEDURE ACCOMPLISHED. A SYS QTY SHOWS 106% & PRESS STABILIZED AT 2960. INFLIGHT QTY DROPPED TO 97% ON LANDING. R & R NR 1 ENG HYD PUMP & SEAL. NO LEAKS NOTED AT THIS TIME. ACFT OK TO CO
- [SDR CALA2014041400437](https://openairdocs.org/sdr/CALA2014041400437.md): Switch · out of adjust · Apr 8, 2014 · N39475 · Boeing 737924ER · Landing Gear Retraction/Extension System
  > LANDING WOULD NOT RETRACT AFTER TAKEOFF. ALL 3 GREEN & RED LIGHT ILLUMINATED WITH GEAR LEVER UP. ALL GEAR DOWN & LOCKED GREEN ONLY WITH GEAR LEVER DOWN. FOUND MANUAL EXTENSION ACCESS DOOR OPEN. DOOR POPS OPEN WHEN TRYING TO CLOSE. ADJUSTED DOOR SWITCH 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 = 'N39475' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N39475/reports

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