SDR ASAA2018062025154

Service difficulty report · Seal · Boeing 737890

Difficulty date: June 20, 2018
Submitted: June 22, 2018
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 40,725 hours, 12,415 cycles
Engine: Cfmint CFM567B27B3
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Seal
Part number: 3400018160
Condition: Damaged
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 SUBTASK 839-033 STEP 41, ALL 24 PLATFORMS SHOW SEAL DAMAGE & LOOSE MATERIAL. NEEDS TO BE ADDRESSED (REF TASK 72-21-02-200-801-F00). AFTER TRIMMING SEAL, MORE THAN 40 INCHES MISSING. REQUIRES SET CHANGE. GROUNDED - YES. REFERENCE W/O 415164, TASK CARD 78472002, ALL 24 PLATFORMS CHANGED.