# SDR UIEA2018091801997

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2018
- Submitted: September 21, 2018
- Operation: Air carrier
- Aircraft: [N1439A](https://openairdocs.org/aircraft/N1439A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28495
- Aircraft time: 67,912 hours, 15,645 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Bleed Air Sys
- Condition: Inoperative
- Location: Apu
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018091801997

## Discrepancy

APU BLEED INOP. REMOVED AND REPLACED APU CONTROL UNIT IAW AMM 49-61-05, OPS CHECK FAILED PN OFF: 2117342-20, SN OFF: 129-1274. MDDR REMAINS OPEN.

---
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.