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Air carrier captain reported a level 3 air manf 3 fail at FL350 and diverted to the nearest suitable airport.
| Attributes | |
| ACN | 1442382 |
| Time | |
| Date | 201704 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Make Model Name | Widebody Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pneumatic Ducting |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Enroute at FL350; we had a level 3 air manf 3 fail and the air system controller automatically shut off the number 3 bleed air valve. We ran the QRH procedure and the alert went away. The QRH procedure directed us to land at nearest suitable airport. We were able to operate the number 3 engine at a reduced power setting and keep the alert from reappearing. We were abeam ZZZZ and nearly overhead ZZZ so after checking the weather; we decided ZZZZ was the better choice. We advised ATC; ran all the normal checklists and flew the ILS to runway xxr at ZZZZ. We landed uneventfully; taxied clear of the runway and had the fire department check out our right wing and around the airplane. They noted everything appeared normal with no visible damage. We taxied in to the ramp and shut down and wrote up the malfunction.
Original NASA ASRS Text
Title: Air carrier Captain reported a LEVEL 3 AIR MANF 3 FAIL at FL350 and diverted to the nearest suitable airport.
Narrative: Enroute at FL350; we had a LEVEL 3 AIR MANF 3 FAIL and the air system controller automatically shut off the number 3 bleed air valve. We ran the QRH procedure and the alert went away. The QRH procedure directed us to land at nearest suitable airport. We were able to operate the number 3 engine at a reduced power setting and keep the alert from reappearing. We were abeam ZZZZ and nearly overhead ZZZ so after checking the weather; we decided ZZZZ was the better choice. We advised ATC; ran all the normal checklists and flew the ILS to RWY XXR at ZZZZ. We landed uneventfully; taxied clear of the runway and had the Fire Department check out our right wing and around the airplane. They noted everything appeared normal with no visible damage. We taxied in to the ramp and shut down and wrote up the malfunction.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.