Service difficulty report · Blade · Boeing 777222

Difficulty date
March 30, 2011
Submitted
April 11, 2011
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
58,072 hours, 8,307 cycles
Engine
Pwa PW40903
Part
Blade
Part number
56A221
Part serial
CBDUBM6390
Condition
Chipped
Location
Nr 1 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

NR 1 ENG ONE EACH BLADE L/E TIP CHIPPED (SIX O'CLOCK POSITION). BLADE HAS PIECE MISSING AROUND .093 DEEP AND .156 LONG, BLADE IS OUT OF LIMITS PER MM. TALKED TO OPBEMC, BLADE OUT OF LIMITS. REPLACED DAMAGED BLADE PER EG 5443-1. REMOVED DAMAGE BLD S-N CBDUBM6390 (SLOT-14). INSTALLED BLD S-N CBDUBM6548 (FROM SLOT-3) INTO SLOT-14. INSTALLED NEW BLD S-N CBDUBD0380 INTO SLOT-3. FEWEST MOVES SOLUTION.