# SDR AALA202102049008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2021
- Submitted: February 5, 2021
- Operation: Air carrier
- Aircraft: [N787AL](https://openairdocs.org/aircraft/N787AL), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30010
- Aircraft time: 82,333 hours, 9,949 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 4100945B
- Condition: Faulty
- Location: Zone 200
- Stage of operation: CR
- How discovered: V
- Nature of condition: J, B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202102049008

## Discrepancy

AIRCRAFT WAS GROUNDED: RECIRCULATION FAN STATUS LIGHT ILLUMINATED WITH ASSOCIATED FAINT BURNING SMELL AT DOOR 3R; TURNED OFF RECIRCULATION FANS AND SMELL DISSIPATED. REPLACED AFT UPPER RECIRCULATION FAN WITH SERVICEABLE UNIT IAW AMM 21-25-01, OPS CHECK GOOD.

---
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.