# SDR NACA2021071100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2021
- Submitted: July 12, 2021
- Operation: Air carrier
- Aircraft: [N351CM](https://openairdocs.org/aircraft/N351CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25201
- Aircraft time: 104,058 hours, 18,224 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Control Panel
- Part number: 233T32371027
- Part serial: D00268
- Condition: Malfunctioned
- Stage of operation: TX
- 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/NACA2021071100001

## Discrepancy

DISCREPANCY: ON CROSSFEED START IN KMIA WE HAD NO DUCT PRESSURE TO START THE LEFT ENGINE. LEFT ENGINE BLEED AIR SWITCH OFF LIGHT WAS ILLUMINATED EVEN THOUGH THE SWITCH WAS IN THE OFF POSITION. CORRECTIVE ACTION: REMOVED AND REPLACED THE BLEED AIR SUPPLY CONTROL PANEL IAW MM 36-11-26. OPS CHECK NORMAL.

---
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.