# SDR DL76G091671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2009
- Submitted: October 30, 2009
- Operation: Air carrier
- Aircraft: [N176DZ](https://openairdocs.org/aircraft/N176DZ), registered now
- Make and model: Boeing 767332
- Aircraft serial: 29697
- Aircraft time: 38,227 hours, 12,081 cycles
- Engine: Ge CF680C2B6F
- Engine time: 47,087 hours, 6,802 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 79275515
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76G091671

## Discrepancy

DURING TAXI NO RT ENG BLEED AIR AVAILABLE, RTB.  PRV CONTROLLER REPLACED BUT FOUND INOP ON FIT.  LOAN ITEM OBTAINED FROM LUFTHANSA.  FITTED IAW AMM 36-11-19-404-016-001, ENGINE RUN.  PERFORMED AND OPS OK.  ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.

---
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.