Service difficulty report · Blade · Boeing 7379

Difficulty date
June 8, 2022
Submitted
June 10, 2022
Operation
Air carrier
Aircraft
N913AK
Make and model
Boeing 7379
Aircraft serial
44079
Aircraft time
4,118 hours, 1,367 cycles
Engine
Cfmint LEAP1B28
Part
Blade
Part number
UNKNOWN
Condition
Nicked
Location
Unknown
Stage of operation
NR
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

#2 ENGINE, NICK FOUND ON LEADING EDGE OF FAN BLADE. GROUNDED - YES. PERFORMED FAN BLADE INSPECTION ON THE ENG #2, BLADE #3 DEPTH MEASUREMENT 0.0225 IN. PERMITTED UP TO 0.0137 IN PER B737-9 AMM 72-22-02-200-801-G00. THE NICK IS OUT OF LIMIT. STEP F(H). PERFORM FAN BLADE METAL LEADING EDGE BLENDING UP TO STEP G(6), PER AMM 72-22-02-900-805-G00. ACCOMPLISH FLO PEN ALTERNATE INSP PER STEP (7)(B)2 NO DISCONTINUITIES NOTED. THIS COMPLETES AMM 72-22-02-900-805-G00. TAP TEST STEP (9) WAS ACCOMP PER ASA PWRPL-72EA-24488. NO DISCONTINUITIES NOTED. NOTE: COMPLETED BLEND DEPTH MEASURED @ .077" MAX ALLOWED 0.120". COMPLETED ENGINE F.O.D. AND BIRDSTRIKE INSPECTION REF AMM 71-00-00-200-802-F00. IDLE LEAK CHECK COMPLETED, NO LEAKS DETECTED.

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