# SDR AMTA200600399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2006
- Submitted: June 20, 2006
- Operation: Air carrier
- Aircraft: [N317TZ](https://openairdocs.org/aircraft/N317TZ), registered now
- Make and model: Boeing 737-83N
- Registry model: [Boeing 737-83N](https://openairdocs.org/model/boeing-737-83n) (OpenAirDocs)
- Aircraft serial: 28246
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Indication Sys
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200600399

## Discrepancy

WITH APU ON SPEED, THE APU GEN OFF BUSS LIGHT DOES NOT ILLUMINATE.  T/S IAW FIM, APU GEN OFF BUSS LIGHT OPERATES NORMAL, NO FAULTS NOTED.  (K)

---
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.
