# SDR AALA202609281422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2026
- Submitted: September 29, 2026
- Operation: Air carrier
- Aircraft: [N877BF](https://openairdocs.org/aircraft/N877BF), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 65997
- Aircraft time: 16,592 hours, 2,201 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Altimeter
- Condition: Fault Message
- Location: Radio
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202609281422

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: SHORTLY AFTER TAKE OFF RADIO ALTIMETER LT & RT MESSAGE ALONG WITH AUTO THROTTLE DISC MESSAGE. MAINT. MESSAGE 27-16261. DECESION MADE TO DIVERT TO  CDG, ENERGENCY DECLARED AND AIRCRAFT LANDED OVERWIGHT WITHOUT INCIDENT. MAINTENANCE PERFORMED FIM 34-30-F3-01A-421 AAIR GROUND TEST OK AND MESSAGE IS NOT ACTIVE NO. FAULT HISTORY.

---
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.