SDR UALA2012062903426

Service difficulty report · Blade · Boeing 757222

Difficulty date: June 23, 2012
Submitted: June 30, 2012
Operation: Air carrier
Aircraft: N516UA
Make and model: Boeing 757222
Aircraft serial: 24860
Aircraft time: 70,855 hours, 26,492 cycles
Engine: Pwa PW2037
Engine time: 3,200 hours, 19,975 cycles
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blade
Condition: Chipped
Location: Rt 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

CHIP ON RIGHT ENGINE FAN BLADE MAINT TEXT: NICK MEASURES .375 OF AN INCH FROM THE BLADE TIP ON THE LEADING EDGE AND IS .046 IN DEEP. DAMAGE IS WITHIN AREA 1 PER MM 72-31-02 PAGE 622 REF FIGURE 608 & 609. NO VISIBLE TEARS OR CRACKS. MAY CONTINUE IN SERVICE FOR 25 HOURS MAXIMUM AND THE BLADE REPAIR AND EDDY CURRENT MUST BE ACCOMPLISHED PER MM 72-31- 02-801. BLADE IS MARKED. PTT 70847 REPAIR IAW AMM 72-31-02. ACCOMPLISHED FINAL CHECK OF THE BLADE BLEND REPAIR REF AMM 72-31-02.