# Service difficulty reports: N77525

A list on [N77525](https://openairdocs.org/aircraft/N77525.md).

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

- [SDR CALA2026070917619](https://openairdocs.org/sdr/CALA2026070917619.md): Hook And Loop · detached · Jul 7, 2026 · N77525 · Boeing 737824 · Escape Slide
  > ENTRY / SERVICE DOORS - GENERAL VISUAL INSPECTION PROCEDURE - SLIDE PACK HAS EXCESS GIRT MATERIAL HANGING AND CONTACTING FLOOR. UPON INSPECTION FOUND HOOK AND LOOP TAB ON EXCESS MATERIAL NOT ATTACHED WITH HOOK AND LOOP TAB ON THE PAN ASSY. ZEE FOLD POSITION NO
- [SDR CALA2026061817170](https://openairdocs.org/sdr/CALA2026061817170.md): Landing Gear · malfunctioned · Jun 17, 2026 · N77525 · Boeing 737824 · Landing Gear System
  > MLG WOULD NOT RETRACT AFTER TAKEOFF. RAN CHKLST. GEAR NORMA L NOW. REMOVED THE 2 OLD SCREWS AND STUDS OFF MANUAL GEAR EXTEND ACCESS DOOR AND INSTALLED 2 NEW SCREWS, STUDS, AND THE SPACERS AS REQUIRED PER IPC 52-00-51-03 REF AMM32-34-11. DOOR NOW STAYS DOWN, L
- [SDR CALA2026052516484](https://openairdocs.org/sdr/CALA2026052516484.md): Elt · expired · May 20, 2026 · N77525 · Boeing 737824 · Emergency Locator Beacon
  > FOUND FWD PORTABLE ELT EXPIRED 04/2026. R & R FWD PORTABLE ELT IAW AMM 25-64-00-400-801. R & R FWD PORTABLE ELT REF AMM 25-64-00-400-801.
- [SDR CALA2025100609653](https://openairdocs.org/sdr/CALA2025100609653.md): Battery Pack · no test · Oct 3, 2025 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK M1695 FAILS OPERATIONAL CHECK. REMOVED AND INSTALLED NEW BATETERY PACK M1695, OPS CHECK GOOD. IAW B-737 AMM 33-51-06-960-80. NO FURTHER ACTION REQUIRED
- [SDR CALA2025100609652](https://openairdocs.org/sdr/CALA2025100609652.md): Battery Pack · no test · Oct 3, 2025 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK M1671 FAILS OPERATIONAL CHECK. REMOVED AND INSTALLED NEW BATETERY PACK POS. M1671, OPS CHECK GOOD. IAW AMM 33-51-06-960-805. NO FURTHER ACTION REQUIRED
- [SDR CALA2025101309979](https://openairdocs.org/sdr/CALA2025101309979.md): Skin · corroded · Sep 24, 2025 · N77525 · Boeing 737824 · Fuselage Main, Plate/Skin
  > POSSIBLE CORROSION ON UPPER SKIN STA 727E BTW STR 3L TO 4L. PERFORMED INTERIM REPAIR ON FUSELAGE SKIN AT STA 727E BETWEEN STRG 3L TO STRG 4L, ALL WORK PERFORMED IAW EC/RA 5360-02016 REV ORIG AND EO 250328 REV IR. REPAIR REQUIRE REPETITIVE INSPECTIONS PERFORM
- [SDR CALA2025101309989](https://openairdocs.org/sdr/CALA2025101309989.md): Skin · corroded · Sep 20, 2025 · N77525 · Boeing 737824 · Fuselage Main, Plate/Skin
  > POSIBLE CORROSION ON UPPER SKIN STA 727G TO 727F BTW STR 2L TO 3L. PERFORMED INTERIM REPAIR ON FUSELAGE SKIN AT STA 727F AND STRG 3L TO STRG 4L, ALL WORK PERFORMED IAW EC/RA 5360-02016 REV ORIG AND EO 250327 REV IR.
- [SDR CALA2025101510112](https://openairdocs.org/sdr/CALA2025101510112.md): Skin · corroded · Sep 18, 2025 · N77525 · Boeing 737824 · Fuselage Main, Plate/Skin
  > POSIBLE CORROSION ON UPPER SKIN BS 727E BTW STR 3R TO 4R. REPAIRED SKIN, BS 727E S3R TO S4R IAW EC/RA 5360-02015 AND EO 250309 REV. IR, R
- [SDR CALA2025071806705](https://openairdocs.org/sdr/CALA2025071806705.md): Lamp · failed · Jul 17, 2025 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT IN THE CENTER OF THE LOWERED CEILING PANEL IN THE CABIN IS INOPERATIVE. LOWERED CEILING PANEL AT BS 889 IAW AMM 25-21-71-000-815 TO FOM. TROUBLESHOOT AND RELAMPED AFT CEILING LIGHT L1419 IAW AMM 33-51-03-960-801. OPS TEST OF EMERGENCY LIGHT
- [SDR CALA2025061205494](https://openairdocs.org/sdr/CALA2025061205494.md): Skin · damaged · Jun 8, 2025 · N77525 · Boeing 737824 · Cargo/Baggage Doors
  > FWD CARGO DOOR EXTERNAL SKIN FASTENER HOLE FOR ACCESS PANEL 821BR OVAL SHAPE. REF AAR N/R 9980350 ESFR INFORMATION UPDATED REMOVED AND INSTALLED NEW SKIN AT FORWARD CARGO DOOR IN REFERENCE SRM 52-30-01-2R-3 AND SRM 51-40-02-0G-0 AND DWG#143A6110. WORK ACCOMPL
- [SDR CALA2025040703566](https://openairdocs.org/sdr/CALA2025040703566.md): Light · inoperative · Apr 2, 2025 · N77525 · Boeing 737824 · Passenger Compartment Lighting
  > FLOURESCENT WINDOW LIGHT AT ROW 21 DEF INOP, LOCATED IN AFT EMERGENCY EXIT DOOR. NEW FUSE & BULB NO HELP. REMOVED AND REPLACED AFT RIGHT OVERW8NG EMERGENCY EXIT LIGHT ASSY. PER AMM 33-21-00-960-807. FLOURESCENT AND EMERGENCY LIGHTS OPS CHECKS GOOD.
- [SDR CALA2025021702343](https://openairdocs.org/sdr/CALA2025021702343.md): O-Ring · damaged · Feb 13, 2025 · N77525 · Boeing 737824 · Turbine Engine Oil System
  > ENG1 WAS OBSERVED WITH OIL QUAN DECREASIN G APPROX 1 PRCNT EVR Y 165SECS REFERENCE LOG ITEMS:3861436 AND 3861390 EGC'S ACCOMPLISHED.REF LP 3859097. PLEASE ACCOMPLISH BEFORE FURTHER FLIGHT: INSPECT ALL MCDS PER AMM TASK 79-00-00-200-804-F00CHIP DETECTORS AND SC
- [SDR CALA2024112701325](https://openairdocs.org/sdr/CALA2024112701325.md): Oxygen Bottle · empty · Nov 27, 2024 · N77525 · Boeing 737824 · Crew Oxygen System
  > CREW OXYGEN BOTTLE LEAKED TO ZERO. FOUND OBS MASK NOT STOWED ANS SUSPECT LEAKAGE REF LP9970066. REPLACED AND LEAKED CKD REF AMM 12-15-21-600-801-001. NO LEAKS FOUND FOUND OBSERVERS MASK NOT STOWED PROPERLY IN HOLDER, MASK STUCK IN THE ON POSITION AND BLEED C
- [SDR CALA2024052801598](https://openairdocs.org/sdr/CALA2024052801598.md): Transmitter · faulty · May 22, 2024 · N77525 · Boeing 737824 · Trailing Flap Position Indicating System
  > FLAPS STUCK AT 15 ON FINAL APPROACH NO ASSYMETRY NEEDLES WERE LINED UP UNLOCKING FOR CLEARING. TOMC LOCKING LOG DUE TO EMERGENCY LANDING. TOMC AND SR MGR MUST AGREE ON CORRECTIVE ACTION AHM UPDATE: {DFD 272} REPORT INDICATED *T/E FLAP BYPASS* ACTIVATED DUE TO
- [SDR CALA2024042201164](https://openairdocs.org/sdr/CALA2024042201164.md): Pitot Tube · clogged · Apr 19, 2024 · N77525 · Boeing 737824 · Pitot/Static System
  > FEEL DIFFERENTIAL LIGHT INSTALLED PITOT LEAK CHECK KIT. REF AMM 27-31-17 T/S REF FIM 27-31 TASK 815. FOUND RIGHT ELEV FEEL PITOT PROBE T/S PER FIM 27-31 TASK 815 STEPS A.(1) THRU E.(7). NO DEFECTS ILLUMINATED ON ROTATION @156 KNOTS, AIRSPEED WAS BETWEEN 150-16
- [SDR CALA2023073102373](https://openairdocs.org/sdr/CALA2023073102373.md): Water Heater · leaking · Jul 24, 2023 · N77525 · Boeing 737824 · Water and Waste System
  > AFT LAV FLOODED. AFT LEFT LAV-D WATER HEATER LEAKING AND CREATED A VERY LARGE WATER LEAK RUNNING DOWN TO CARGO PIT AND COMING OUT OF BELLY DRAINS. SEE LOG 5261867 FOR CLEAN UP AND LOG 5261798 FOR LAV-D SINK INOP. AFT LAV-D WATER HEATER INOP -- S/OFF VALVE TO T
- [SDR CALA2023053101706](https://openairdocs.org/sdr/CALA2023053101706.md): Trim Panel · broken · May 29, 2023 · N77525 · Boeing 737824 · Fuselage Miscellaneous Structure
  > SEAT 37A WINDOW INNER COSMETIC TRIM HAS BROKEN RETAINING TABS. DOES NOT SEAT FULLY. SECURED INTERIOR WINDOW TRIM AT 37A. NO HAZARD TO PASSENGERS. DDP FOLLOWED. TOMC APPROVES NEF 2510BK. PART ADDED. NIS SEATTLE
- [SDR CALA2023051901566](https://openairdocs.org/sdr/CALA2023051901566.md): Windshield · stuck · May 17, 2023 · N77525 · Boeing 737824 · Flight Compartment Windows
  > FO MINITEL CORD STUCK IN SLIDING WINDOW REF: 56-12-11-400-801 C/B''S E2, B8 ARE PULLED AND COLLARED. MOVED SERATED PLATE FWD FROM 3 TO 1 SERRATION. FWD END OF CONTROL ROD IS ADJUSTED TO 8 THREADS 6. OLD WINDOW IS IN FIRST CLASS. NEW ONE IS IN TRACK BEING AD
- [SDR CALA2023022400531](https://openairdocs.org/sdr/CALA2023022400531.md): Forging · none · Feb 23, 2023 · N77525 · Boeing 7378 · Fuselage Structure (General)
  > FOR ESFR REPORTING ONLY. EA 5310-04554 REV B OP 007 ACCOMPLISHED FOR LH #1 WINDOW FRAME. EA 5310-04554 REV B OP 007 REPAIR ACCOMPLISHED FOR CONFIG B.
- [SDR CALA2022112103173](https://openairdocs.org/sdr/CALA2022112103173.md): Pitot Tube · unserviceable · Nov 18, 2022 · N77525 · Boeing 737824 · Pitot/Static Anti-Ice System
  > L ELEV PITOT ILLMN8TED T/S AS PER FIM TASK REF 30-31 TASK 805. FOUND CIRCUIT BREAKER UPDATED MAN HES POPPING WHEN PROVIDING POWER TO THE PANEL. TRIED NEW PANEL NO HELP. REQUIRES FURTHER T/S. REMOVED AND REPLACED LH ELEV FEEL SYS PITOT PROBE REF AMM 27-31-94 OP
- [SDR CALA2020062001019](https://openairdocs.org/sdr/CALA2020062001019.md): Motor · inoperative · Jun 19, 2020 · N77525 · Boeing 737824 · Elevator Tab Control System
  > ELECTRIC STAB TRIM FAILED AFTER T/O RAN ELECT STAB TRIM INOP CHE CKLST RETURNED GDL UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE REPLACE THE ELECTRIC STAB TRIM MOTOR PER AMM 27-41-71-400 -801 REPLACED STAB TRIM MOTOR REF AMM 27-41-71-400-801. OPS CHECKS
- [SDR CALA2020022900544](https://openairdocs.org/sdr/CALA2020022900544.md): Coupler · inoperative · Feb 28, 2020 · N77525 · Boeing 737824 · HF Communications System
  > HF1 REC ONLY...CANNOT X-MIT ON HF1 REPEAT WRITE UP INSTALLED NEW COUPLER IN #1 HF POSTION FOR TROUBLESHOOTING. UNIT IS NOT SAFETY WIRED AND WILL NEED OPS CHECK AT COMPLETION OF WORK. INSTALLED NEW HF TRANSCIEVER IN #1 POSITION. WILL NEED OPS CHECK AT COMPLETI
- [SDR CALA2020011000117](https://openairdocs.org/sdr/CALA2020011000117.md): Adiru · faulty · Jan 9, 2020 · N77525 · Boeing 737824 · Inertial Guidance System
  > LEFT IRU FAULT IN FLIGHT. R/R LEFT ADIRU REF AMM 34-21-01-400-801 OPS CK GOOD. ALSO PERFORMED LAND VERIFY REF AMM 22-11-00 ALL PASS. A/C REMAIN FULL CAT CAPABILITY. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1076764 SN OFF 1009 UNIT, ADIRU, AI OFF 60-3421-9-0
- [SDR CALA2017120104272](https://openairdocs.org/sdr/CALA2017120104272.md): Lens · missing · Dec 1, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT FLOOD LIGHT LENS ON PARTITION AFT OF LAV "D" IS MISSING. REPLACED Y007M09 EMERGENCY EXIT FLOOD LIGHT ASSY ON LAV ''D'' PARTITION. EMERGENCY EXIT FLOOD LIGHT OPS CHECK NORMAL.
- [SDR CALA2017120104271](https://openairdocs.org/sdr/CALA2017120104271.md): Light · inoperative · Dec 1, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT SEAT LIGHT INOP AT 37C. REPLACED LENS ON EMERGENCY EXIT SEAT LIGHT AT 37C - EMERGENCY EXIT SEAT LIGHTS OPS CHECK NORMAL.
- [SDR CALA2017120104270](https://openairdocs.org/sdr/CALA2017120104270.md): Light · inoperative · Dec 1, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > FORWARD EMERGENCY EXIT SEAT LIGHT AT 15C INOP. REPLACED LENS ON EMERGENCY EXIT SEAT LIGHT AT 15C - EMERGENCY EXIT SEAT LIGHTS OPS CHECK NORMAL.
- [SDR CALA2017102303764](https://openairdocs.org/sdr/CALA2017102303764.md): Light · inoperative · Oct 23, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > RT FWD OVERWING EMERGENCY LIGHT INOP. RELAMPED EMERGENCY LIGHT REF AMM 33-51-04-960-801. OPS CK GOOD.
- [SDR CALA2017101303607](https://openairdocs.org/sdr/CALA2017101303607.md): Lens · missing · Oct 13, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT SIGN LENS MISSING AT ROW 21R. REPLACED THE LENS. OPS CHECKED NORMAL.
- [SDR CALA2017062601999](https://openairdocs.org/sdr/CALA2017062601999.md): Light · broken · Jun 26, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY EXIT SEAT LIGHT (RED) AT 15C BROKEN. REPLACED RED EMERGENCY EXIT SEAT LIGHT ASSY AT 15C. LIGHT OPS CHECK NORMAL.
- [SDR CALA2017040900929](https://openairdocs.org/sdr/CALA2017040900929.md): Unknown · odor · Apr 9, 2017 · N77525 · Boeing 737824 · Air Distribution System
  > AFTER TAKEOFF HAD ODOR IN AIRCRAFT OF DIRTY SOCK SMELL IN DUCTING IN ALL OF AIRCRAFT. EMERGENCY DECLARED. ACCOMPLISHED SMOKE ODOR PROCEDURE PER MM 05-51-26-800-801C1 NO ODOR AFTER EXTENSIVE ENGINE RUN.
- [SDR CALA2017040700920](https://openairdocs.org/sdr/CALA2017040700920.md): Light · loose · Apr 7, 2017 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY FLOOR PROXIMITY LIGHT DOES NOT TURN ON. EMERG LIGHT AT 15C DAMAGED, SECURED EMERGENCY LIGHT AT 15C. PERFORMED OPS CHECK OF EMERGENCY LIGHTING IAW MM 33-51-00 WITH NO DEFECTS NOTED.
- [SDR CALA2016092200670](https://openairdocs.org/sdr/CALA2016092200670.md): Skin · gouged · Sep 21, 2016 · N77525 · Boeing 737824 · Cargo/Baggage Doors
  > AFT CARGO DOOR DENTED AND GOUGED NEAR THE FWD LWR CORNER.. CUT OUT DAMAGE AREA.FABRICATED AND INSTALLED REPAIR DOUBLER
- [SDR CALA2016060100338](https://openairdocs.org/sdr/CALA2016060100338.md): Unknown · smoke · Jun 1, 2016 · N77525 · Boeing 737824 · Air Distribution System
  > REPORT OF SMOKE IN VICINITY OF IFE RACK AT ROW 23. ACCOMPLISHED CALL OUT IN AMM 05-51-26 FOR ELEC SYS INTEGRITY CHECK & TASK 44-30-00-280-801 FOR SMOKE & FUMES IN CABIN. NO FINDINGS. ALL SYS COMPONENTS ARE INTACT, OPERATING NORMALLY, ARE NOT OVERHEATED, FAN
- [SDR CALA2013032500171](https://openairdocs.org/sdr/CALA2013032500171.md): Battery Pack · inoperative · Mar 23, 2013 · N77525 · Boeing 737824 · Emergency Lighting
  > EMERGENCY PATH LIGHTS AT ROWS 15,20, AND 21 DO NOT TEST. R & R M1694 BATTERY PACK AND POWER SUPPLY IAW AM M 33-51-06. OPS CK NORMAL.

## 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 = 'N77525' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N77525/reports

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