B757-200 loses left hydraulic system. Diverts to nearby airport when ptu fails to operate.

Attributes
ACN	810813
Time
Date	200811
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 36000
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 215 flight time total : 14000 flight time type : 6850
ASRS Report	810813
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : diverted to another airport flight crew : landed in emergency condition
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Flying en route; lost left hydraulics system. Diverted to ZZZ. The ptu did not work -- we had to do the alternate gear extension and the alternate flap extension. I also had emergency equipment standing by. Landing was normal and we were towed to the gate by a tug.

Original NASA ASRS Text

Title: B757-200 LOSES LEFT HYDRAULIC SYSTEM. DIVERTS TO NEARBY AIRPORT WHEN PTU FAILS TO OPERATE.

Narrative: FLYING ENRTE; LOST L HYDS SYS. DIVERTED TO ZZZ. THE PTU DID NOT WORK -- WE HAD TO DO THE ALTERNATE GEAR EXTENSION AND THE ALTERNATE FLAP EXTENSION. I ALSO HAD EMER EQUIP STANDING BY. LNDG WAS NORMAL AND WE WERE TOWED TO THE GATE BY A TUG.

Data retrieved from NASA's ASRS site as of May 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.