SDR ASAA2012061792358

Service difficulty report · Seal · Boeing 737890

Difficulty date: June 1, 2012
Submitted: June 19, 2012
Operation: Air carrier
Aircraft: N563AS
Make and model: Boeing 737890
Aircraft serial: 35180
Aircraft time: 21,695 hours, 6,788 cycles
Engine: Cfmint CFM567B27
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Seal
Part number: 3400018160
Condition: Unbonded
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 ENGINE, PLATFORM AT BLADE NR 4 HAS ELASTOMER SEAL UNBONDED. ACFT GROUNDED. R & R NR 4 & NR 16 BLADE PLATFORM IAW T/C 78472002, STEP 46. C/W ENG NR 1, TEST 7, VIBRATION SURVEY IAW T/C 78472002, STEP 53. VIBRATION SURVEY WITHIN LIMITS.