SDR ASAA2022070638963

Service difficulty report · Platform · Boeing 737890

Difficulty date: July 6, 2022
Submitted: July 7, 2022
Operation: Air carrier
Aircraft: N531AS
Make and model: Boeing 737890
Aircraft serial: 35199
Aircraft time: 42,873 hours, 12,389 cycles
Engine: Cfmint CFM567B27
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Platform
Part number: 3400018160
Condition: Debonded
Location: #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

WHILE ACCOMPLISHING T/C 78472010 FOR NO. 1 ENG FAN LUBE, PLATFORMS 1,4,6,8,9,10,12,13,14,16,17,18,20,22,23,24 FOUND TO BE DEBONDED (16 TOTAL). REF TSR 712592 FOR WANT OF REPLACEMENT OF PLATFORMS W/ ANY ELASTOMER DAMAGE. GROUNDED - YES. REMOVED AND REPLACED 16 PLATFORMS ON NO.1 ENGINE REF T/C 78472010.