Service difficulty report · Blade · Boeing 7572Q8

Difficulty date
July 15, 2009
Submitted
July 23, 2009
Operation
Air carrier
Aircraft
N703TW
Make and model
Boeing 7572Q8
Aircraft serial
27620
Aircraft time
42,433 hours, 14,124 cycles
Engine
Pwa PW2037
Engine time
35,802 hours, 12,370 cycles
Part
Blade
Condition
Bent
Location
Nr 2 Engine
Part time
35,802 hours, 12,370 cycles
Stage of operation
TO
How discovered
O
Nature of condition
C
Precautionary procedure
C

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

What was found

CREW REPORTED, SAW A BIRD DURING T/O ROLL AND THEN HEARD A BANG. F/O THEN TOLD CAPT THAT THE RT ENG WAS ROLLING BACK DUE TO EPR DROP FROM 1.4 TO 1.25. THE CAPT THEN ABORTED T/O. THE F/O SAID THE EPR RECOVERED JUST AFTER THAT, BUT THE CAPT WAS ALREADY DOING THE RTO. THE F/O REPORTED THAT THE EPR WAS THE ONLY ENGINE IND THAT WAS ABNORMAL. THE EPR FLUX WAS DUE TO COMPRESSOR STALL. ONE (1EA) FAN BLADE BENT. INSPECTED BLADE AND FOU________________________ MM 72-31-02-601 FIG 611. PERFORMED ________________________ AND 16TH STAGE IAW MM 72-00-00. ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS

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