SDR 2006UALA00950

Service difficulty report · Blades · Boeing 747422

Difficulty date: May 14, 2006
Submitted: May 23, 2006
Operation: Air carrier
Aircraft: N175UA
Make and model: Boeing 747422
Aircraft serial: 24382
Aircraft time: 62,138 hours, 7,088 cycles
Engine: Pwa PW4056
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blades
Condition: Bird Ingestion
Location: Nr 1 Engine
Stage of operation: TO
How discovered: O
Nature of condition: O
Precautionary procedure: C

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

What was found

BIRD STRIKE ON NR 1 ENGINE. ABORTED TAKEOFF AT APPROXIMATELY 153 KNOTS. EXTENSIVE FAN BLADE DAMAGE. 24 OF 38 DAMAGED BEYOND LIMTS. NOSE COWL LIP SEVERELY DENTED. ALL SURGE CHECKS INCLUDING BORESCOPE INSPECTION CHECKED OK. ALL FAN BLADES REPLACED. NOSE COWL REPLACED.