Service difficulty report · Blade · Boeing 737990ER

Difficulty date
November 1, 2023
Submitted
November 3, 2023
Operation
Air carrier
Aircraft
N493AS
Make and model
Boeing 737990ER
Aircraft serial
41727
Aircraft time
27,271 hours, 8,536 cycles
Part
Blade
Part number
3400018160
Condition
Worn
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

FOUND EXCESSIVE WEAR / DAMAGE ON MULTIPLE FAN BLADE PLATFORMS ON #1 ENGINE. GROUNDED - YES. REF W/O 1969863REF T/C SBCFM56-7B-72-1033-1. REMOVED AND REPLACED ALL FRAN BLADE PLATFORMS DURING FAN LUBE T/C ON #1 ENGINE. PERFORMED ENGINE POWER RUN TEST #7 REF AMM 71-00-00. ALL CHECKS OKAY.