# Service difficulty reports: N836AA

A list on [N836AA](https://openairdocs.org/aircraft/N836AA.md).

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

- [SDR AALA202602051360](https://openairdocs.org/sdr/AALA202602051360.md): Control Unit · failed · Feb 2, 2026 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: WELS CONTROL UNIT ON R4 DOOR IS FAILING. REMOVED AND REPLACED WELS CONTROL UNIT. PER 33-51-07.
- [SDR AALA202502214592](https://openairdocs.org/sdr/AALA202502214592.md): Bottle · warning message · Feb 18, 2025 · N836AA · Boeing 7879 · Passenger/Crew Doors
  > AIRCRAFT WAS NOT GROUNDED: STATUS MSGS:*** 3L EPASS MODULE SWAPPED TO THE 4L TO LESSEN THE CUSTOMER IMPACT ***-DOOR EPAS MODULE 3L-DOOR EPAS SENSORS 3L-DOOR ENTRY IND 3L. REMOVED & REPLACED 4L EPAS MODULE IAW A MM 52-11-21.
- [SDR AALA202501231922](https://openairdocs.org/sdr/AALA202501231922.md): Battery · discharged · Jan 22, 2025 · N836AA · Boeing 7879 · Emergency Equipment
  > AIRCRAFT WAS GROUNDED: FLASHLIGHT IN JUMPSEAT AT AFT 2L DOOR BATTERY LOW. REMOVED AND REPLACED BATTERY IN FLASHLIGHT BY 2L DOOR AFT JUMPSEAT. OPERTIONAL CHECK GOOD. PER AMM 25-64-00.
- [SDR AALA202501238571](https://openairdocs.org/sdr/AALA202501238571.md): Flashlight · no test · Jan 22, 2025 · N836AA · Boeing 7879 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT FORWARD 2R JUMPSEAT WILL NOT TEST. REMOVED AND REPLACED BATTERY IN FLASHLIGHT BY 2R DOOR FORWARD JUMPSEAT. OPERTIONAL CHECK GOOD. PER AMM 25-64-00.
- [SDR AALA202408081373](https://openairdocs.org/sdr/AALA202408081373.md): Battery · inoperative · Aug 7, 2024 · N836AA · Boeing 7879 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: ART CREW REST EMERGENCY FLASHLIGHT INOP. REPLACED BATTERY IN AFT CREW REST FLASHLIGHT. OK FOR SERVICE IAW AMM 25-61-01.
- [SDR AALA202407109181](https://openairdocs.org/sdr/AALA202407109181.md): Engine · failed · Jul 8, 2024 · N836AA · Boeing 7879 · Engine (Turbine/Turboprop)
  > AIRCRAFT WAS GROUNDED: RIGHT ENGINE FAILED DURING CLIMB. ENGINE WAS AT FULL CLIMB POWER. ENGINE EXCEEDENCE AND ENG FAIL EICAS MESSAGES ON. RETURNED TO ORD AND LANDED OVERWIGHT WITHOUT INCIDENT. MAINTENANCE REPLACED THE #2 ENGINE.
- [SDR AALA202401089524](https://openairdocs.org/sdr/AALA202401089524.md): Connector · disconnected · Jan 4, 2024 · N836AA · Boeing 7879 · Light System Wiring
  > AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGANCY LIGHT ARE CONTINUOUSLY ILLIMATED AT SEAT ROW 4D-7D AND 4H-7. MAINTENANCE FOUND DISCONNECTED, RE-ATTACHED PLUG TO WELS UNIT AND EMERGENCY LIGHTS OPS TEST ACCOMPLISHED IAW B787-A-33-51-00-00C-320A-A.
- [SDR AALA202401097071](https://openairdocs.org/sdr/AALA202401097071.md): Control Unit · intermittent · Dec 29, 2023 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: FLOOR EMERGENCY EXIT LIGHTS ON EITHER SIDE OF B/C SEATS 3D/H TO 8D/H CAME ON INTERMITTENTLY DURING FLIGHT.**SUPPLEMENTAL REPORT FOR (AALA202312297071): REMOVED AND REPLACED WIRELESS EMERGENCY LIGHTING SYSTEM (WELS) CONTROL UNIT. PER
- [SDR AALA202312297071](https://openairdocs.org/sdr/AALA202312297071.md): Unknown · unknown · Dec 29, 2023 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: FLOOR EMERGENCY EXIT LIGHTS ON EITHER SIDE OF B/C SEATS 3D/H TO 8D/H CAME ON INTERMITTENTLY DURING FLIGHT.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202307250288](https://openairdocs.org/sdr/AALA202307250288.md): Drain Valve · unserviceable · Jul 23, 2023 · N836AA · Boeing 7879 · Waste Disposal System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LHR DUE TO LOW POTABLE WATER INDICATION AT TOP OF CLIMB. THE AIRCRAFT LANDED SAFELY AT LHR WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND MID POTABLE WATER DRAIN VALVE NOT OPERATING COR
- [SDR AALA202305120480](https://openairdocs.org/sdr/AALA202305120480.md): Bottle · low pressure · May 10, 2023 · N836AA · Boeing 7879 · Passenger/Crew Doors
  > AIRCRAFT WAS NOT GROUNDED: ON DEPARTURE EICAS MESSAGE SHOWS DOOR EPAS SENSORS 2L. REMOVED AND REPLACED PRESSURE BOTTLE ASSEMBLY.
- [SDR AALA202303292585](https://openairdocs.org/sdr/AALA202303292585.md): Window · stuck · Mar 28, 2023 · N836AA · Boeing 7879 · Door Windows
  > AIRCRAFT WAS NOT GROUNDED: DOOR 4R WINDOW STUCK IN DARK POSITION. RESET 4R DIMMABLE WINDOW PER AMM B787-A-56-20-F1-58A -421A-A
- [SDR AALA202212278537](https://openairdocs.org/sdr/AALA202212278537.md): Battery · no test · Dec 25, 2022 · N836AA · Boeing 7879 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT IN FLIGHT ATTENDANT CREW REST WILL NOT TEST. REPLACED BATTERY IAW AMM 25-64-00.
- [SDR AALA202211258538](https://openairdocs.org/sdr/AALA202211258538.md): Battery · failed insp · Nov 23, 2022 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: WELS BATTERY UNIT WBU 19 FAILED EMERGENCY LIGHT TEST. REPLACED WBU 19.
- [SDR AALA202204200575](https://openairdocs.org/sdr/AALA202204200575.md): Smoke Detector · none · Apr 18, 2022 · N836AA · Boeing 737 · Smoke Detection
  > AIRCRAFT WAS NOT GROUNDED: DETECTOR 6 LAVATORY DOOR 3 STATUS MESSAGE DISPLAYED. ACCOMPLISHED RESET TO LAVATORY 3F-1RC SMOKE DETECTOR OPERATIONS CHECKS NORMAL TESTS PASSED REFERENCE AMM 26-13-01.
- [SDR AALA202204188486](https://openairdocs.org/sdr/AALA202204188486.md): Control Unit · none · Apr 13, 2022 · N836AA · Boeing 737 · Emergency Lighting
  > AIRCRAFT WAS GROUNDED: DURING ACCOMPLISHMENT OF WORK CARD 78T21033001, FAULT CODE 33-12107 SHOWS. REMOVED AND REPLACED WELS CONTROL UNIT NUMBER 07 (AALA202204148709) PER AMM 33-51-07. WELS CONTROL UNIT 07 FAILS GROUND TEST. SUSPECT WCU 07 BAD FROM STOCK. HAS A
- [SDR AALA202204188709](https://openairdocs.org/sdr/AALA202204188709.md): Control Unit · faulty · Apr 12, 2022 · N836AA · Boeing 737 · Emergency Lighting
  > AIRCRAFT WAS GROUNDED: DURING ACCOMPLISHMENT OF WORK CARD 78T21033001, FAULT CODE 33-12107 SHOWS. REMOVED AND REPLACED WELS CONTROL UNIT NUMBER 07 PER AMM 33-51-07. WELS CONTROL UNIT 07 FAILS GROUND TEST. SUSPECT WCU07 BAD FROM STOCK. HAS AN ACTIVE FAULT 33.11
- [SDR AALA202204149970](https://openairdocs.org/sdr/AALA202204149970.md): Control Unit · none · Apr 12, 2022 · N836AA · Boeing 737 · Emergency Lighting
  > AIRCRAFT WAS GROUNDED: DURING ACCOMPLISHMENT OF WORK CARD 78T21033001, FAULT CODE 33-12131 SHOWS. REMOVED AND REPLACED WELS CONTROL UNIT NUMBER 31 PER AMM 33-51-07. WELS CONTROL UNIT 31 GROUND TEST NORMAL. NO FAULTS FOUND.
- [SDR AALA202203312714](https://openairdocs.org/sdr/AALA202203312714.md): Hinge · inoperative · Mar 30, 2022 · N836AA · Boeing 7879 · Emergency Locator Beacon
  > AIRCRAFT WAS NOT GROUNDED: COCKPIT EMERGENCY ESCAPE DEVICE COMPARTMENT DOOR WILL NOT CLOSE. REMOVED AND REPLACED COCKPIT EMERGENCY ESCAPE DEVICE DOOR HINGE OPERATIONS CHECK OK.
- [SDR AALA202111011223](https://openairdocs.org/sdr/AALA202111011223.md): Smoke Detector · false activation · Oct 29, 2021 · N836AA · Boeing 7879 · Smoke Detection
  > AIRCRAFT WAS NOT GROUNDED: AT CRUISE 3L LAVATORY SMOKE ALARMS ALERTED WITH CHIMES AND ENGINE INDICATING AND CREW ALERTING SYSTEM. LAVATORY INSPECTED WITH NO SMOKE DETECTED. ACCOMPLISHED FIM 26-10-F3-42A-421A-A ON 3L LAVATORY OPERATIONS CHECKS OK.
- [SDR AALA202111014668](https://openairdocs.org/sdr/AALA202111014668.md): Smoke Detector · false activation · Oct 29, 2021 · N836AA · Boeing 7879 · Smoke Detection
  > AIRCRAFT WAS NOT GROUNDED: AT CRUISE 1L LAVATORY SMOKE ALARMS ALERTED WITH CHIMES AND ENGINE INDICATING AND CREW ALERTING SYSTEM. LAVATORY INSPECTED WITH NO SMOKE DETECTED. ACCOMPLISHED FIM 26-10-F3-42A-421A-A ON 1L LAVATORY OPERATIONS CHECKS OK.
- [SDR AALA202102229013](https://openairdocs.org/sdr/AALA202102229013.md): Indicator · unsecure · Feb 20, 2021 · N836AA · Boeing 7879 · Escape Slide
  > AIRCRAFT WAS NOT GROUNDED: 4R DOOR SLIDE INDICATOR NOT SECURE. FELL OUT AND PLACED BACK IN. RESECURED SLIDE ARM INDICATOR LIGHT ON DOOR 4R SLIDE ARM/DISARM PANEL.
- [SDR AALA202007089017](https://openairdocs.org/sdr/AALA202007089017.md): Unknown · vibration · Jul 7, 2020 · N836AA · Boeing 7879 · Engine (Turbine/Turboprop)
  > AIRCRAFT WAS GROUNDED: ENCOUNTERED ICING CONDITION AT FL 370, THE LEFT ENGINE VIBRATION ROSE TO 7.. EXITING ICING CONDITIONS LEFT ENGINE VIB CYCLED UP/ DOWN. DURING CRUISE FLIGHT CLEAR OF ALL ICING ENGINE CYCLED BETWEEN 2.2 AND 4.8. AN EMERGENCY WAS DECLARED A
- [SDR AALA202005189008](https://openairdocs.org/sdr/AALA202005189008.md): Battery · defective · May 15, 2020 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT IN BASE VISIT: CLASS 31, WELS REMOTE CONTROL BATTERY IS DEGRADED PER CARD 2803. REPLACED WELS BATTERY AT WBU 31.
- [SDR AALA202005059006](https://openairdocs.org/sdr/AALA202005059006.md): Battery · discharged · May 4, 2020 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT IN BASE VISIT: REF. TII 70566844- WHILE RUNNING A WBU SCR- WELS CONTROL UNITS CLASS NO. 7 AND NO 31 ARE NOT REPORTING. (NETWORK IS NOT FULLY FORMED). MAINTENANCE MSGS 33-12131 AND 33-12107 DISPLAYED ON EXISTING FAULTS PAGE. REMOVED AND REPLACED BATT
- [SDR AALA202005059007](https://openairdocs.org/sdr/AALA202005059007.md): Battery · discharged · May 4, 2020 · N836AA · Boeing 7879 · Emergency Lighting
  > AIRCRAFT IN BASE VISIT: REF. TII 70566844- WHILE RUNNING A WBU SCR- WELS CONTROL UNITS CLASS NO. 7 AND NO 31 ARE NOT REPORTING. (NETWORK IS NOT FULLY FORMED). MAINTENANCE MSGS 33-12131 AND 33-12107 DISPLAYED ON EXISTING FAULTS PAGE. REMOVED AND REPLACED BATT
- [SDR AALA2020021109055](https://openairdocs.org/sdr/AALA2020021109055.md): Generator · faulty · Feb 7, 2020 · N836AA · Boeing 7879 · AC Generator-Alternator
  > AIRCRAFT NOT GROUNDED: AIR RETURNING LAX, AFTER TO GEN L2 EICAS MESSAGE DISPLAYED. ELEC GEN, DRIVE L2.ELEC GEN OFF L2.FOLLOWED CHECKLIST,PROCEDURE AND DISCONNECTED GEN DRIVE. EMERGENCY DECLARED. REMOVED AND REPLACED L2 VFSG IAW AMM 24-21-09.
- [SDR AALA201910179006](https://openairdocs.org/sdr/AALA201910179006.md): Window · cracked · Oct 15, 2019 · N836AA · Boeing 7879 · Flight Compartment Windows
  > AIRCRAFT WAS NOT GROUNDED: SEAT 16A HAS CRACKED INNER WINDOW PANE DIMMER FUNCTION ARCHING. SUPPLEMENTAL REPORT: REPLACED DIMMABLE WINDOW / SHADE PER AMM 56-21-03. (CLOSED)
- [SDR AALA201905239002](https://openairdocs.org/sdr/AALA201905239002.md): Smoke Detector · false activation · May 22, 2019 · N836AA · Boeing 7879 · Smoke Detection
  > AIRCRAFT WAS NOT GROUNDED: DURING CRUISE, SMOKE DETECTORS IN 2L AND 3L LAVATORY BOTH ALARMED, SEVERAL HOURS APART. NO EVIDENCE OF SMOKE, NO PASSENGERS WERE SUSPECTED OF SMOKING. MAINTENANCE PERFORMED SATISFACTORY OPERATIONAL CHECK PER INBOUND AMM 26-13-00.
- [SDR AALA201903119001](https://openairdocs.org/sdr/AALA201903119001.md): Warning System · false activation · Mar 10, 2019 · N836AA · Boeing 7879 · Smoke Detection
  > AIRCRAFT NOT GROUNDED: PILOT REPORTS THAT WHILE AT CRUISE, THE SMOKE REST UPR DOOR 4 EICAS ILLUMINATED BRIEFLY, THEN EXTINGUISHED, FOLLOWED BY CARGO HEAT BULK CARGO WHICH EXTINGUISHED AFTER 10 MINUTES. MAINTENANCE FOUND NO CMCF EXISTING FAULTS ON THE CABIN SMO

## 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 = 'N836AA' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N836AA/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.