# SDR UIEA2020052001091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2020
- Submitted: May 20, 2020
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 90,965 hours, 19,372 cycles
- System (JASC): [4997 · APU System Wiring](https://openairdocs.org/jasc/4997)
- Part: Connector
- Condition: Dirty
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020052001091

## Discrepancy

APU FAULT, NO START(<P>TRANSFERRED TO MDDR 128562 IAW MEL 49-11-01B, CAT 'B'.</P><P>LOG PAGE 1199838: PERFORMED APU BITE PROCEDURES IAW FIM 49-11 FT 958, SH1, BLK1, SH2, BLK2,3, SH3, BLK4,25. NO FAULTS NOTED. REMOVED APU ECU, CLEANED AND INSPECTED CONNECTORS. REINSTALLED APU ECU IAW B767 AMM 49-61-05-004/404. PERFORMED APU BITE PROCEDURES IAW FIM 49-11 FT 958. NO FAULTS NOTED. APU START SUCCESSFUL. THIS CLEARS MDDR 128562.</P>)

---
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.