SDR UALA2011012500405

Service difficulty report · Guide Vane · Boeing 757222

Difficulty date: January 24, 2011
Submitted: January 26, 2011
Operation: Air carrier
Aircraft: N556UA
Make and model: Boeing 757222
Aircraft serial: 26650
Aircraft time: 61,732 hours, 22,793 cycles
Engine: Pwa PW2040
Engine time: 57,298 hours, 21,398 cycles
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Guide Vane
Part number: 1B4419
Condition: Cracked
Location: Lt Engine
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LT ENG VANE BENT WITH CRACK VISIBLE BEHIND FAN BLADES. FBO REPORTED ALUMINUM EXIT GUIDE VANE AT 05:30 IS BOWED AND CRACKED. NO CRACKS ALLOWED IAW MM. R & R THE VANE IAW MM. REMOVED FAN CASE EXIT GUIDE VANE AT THE 7 O'CLOCK POSITION AS VIEWED FROM THE REAR OF THE ENGINE NR1 LOOKING FWD. OK TO CON FOR 50 HOURS MUST BE REPLACED BY PTT 61782.11. USE PCN 230-0565 (PN 1B4419). VANE 230-0565 PLACED ON OSTF W4731. 1 EA 230-0565 IN HB 1 OSTF W4731 JAN 24 11. REPLACED EXIT GUIDE VANE IAW MM.