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A B777-200's #1 engine bleed tripped causing flight to divert because ETOPS operations were prohibited.
| Attributes | |
| ACN | 687927 |
| Time | |
| Date | 200602 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : ord.airport |
| State Reference | IL |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Controlling Facilities | tracon : c90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Route In Use | departure sid : n/s |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 190 flight time total : 20000 flight time type : 4000 |
| ASRS Report | 687927 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On takeoff just after rotation we had EICAS warnings of bleed off engine #1; bleed loss; and pack off #1. I climbed to cruise altitude after talking to dispatch and maintenance. Once level per maintenance direction; left bleed reset was attempted. Bleed held for 6 mins then tripped. This time; left pneumatic isolation valve stayed open keeping left pack operation. With left bleed failure ETOPS unable. After discussion with maintenance and dispatch; diversion planned with overweight landing by 30000 pounds. Normal landing; no undue stress on aircraft.
Original NASA ASRS Text
Title: A B777-200'S #1 ENG BLEED TRIPPED CAUSING FLT TO DIVERT BECAUSE ETOPS OPS WERE PROHIBITED.
Narrative: ON TKOF JUST AFTER ROTATION WE HAD EICAS WARNINGS OF BLEED OFF ENG #1; BLEED LOSS; AND PACK OFF #1. I CLBED TO CRUISE ALT AFTER TALKING TO DISPATCH AND MAINT. ONCE LEVEL PER MAINT DIRECTION; L BLEED RESET WAS ATTEMPTED. BLEED HELD FOR 6 MINS THEN TRIPPED. THIS TIME; L PNEUMATIC ISOLATION VALVE STAYED OPEN KEEPING L PACK OP. WITH L BLEED FAILURE ETOPS UNABLE. AFTER DISCUSSION WITH MAINT AND DISPATCH; DIVERSION PLANNED WITH OVERWT LNDG BY 30000 LBS. NORMAL LNDG; NO UNDUE STRESS ON ACFT.
Data retrieved from NASA's ASRS site as of January 2009 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.