SDR ASAA2015031210962

Service difficulty report · Engine · Boeing 737890

Difficulty date: March 12, 2015
Submitted: March 16, 2015
Operation: Air carrier
Aircraft: N516AS
Make and model: Boeing 737890
Aircraft serial: 39044
Aircraft time: 23,863 hours, 7,377 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Making Metal
Location: Nr 2
Stage of operation: IN
How discovered: 9
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 78472040, FOUND UNIDENTIFIABLE NON-MAGNETIC PARTICLES LARGER THAN .4" IN FWD SUMP SCAVENGE SCREEN MCD ON NR 2 ENGINE. MM 79-00-00-210-010, STEP 8 NEEDS TO BE ACCOMPLISHED. ACFT GROUNDED. ACCOMPLISHED STEP H8-10. NO ADDITIONAL NR 2 ENGINE FWD SUMP FINDINGS NOTED. SUBJECT DEBRIS SENT FOR LABORATORY ANALYSIS. ENGINE MAY CONTINUE IN SERVICE PENDING RESULTS REF MM 79-00-00-200-804-F00. CURRENTLY ON REDUCED INTERVAL INSPECTION.