Service difficulty report · Starter · Boeing 7379

Difficulty date
March 3, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N952AK
Make and model
Boeing 7379
Aircraft serial
60390
Aircraft time
1,498 hours, 435 cycles
Part
Starter
Part number
635060834
Part serial
GRT68477
Condition
None
Location
#2 Engine
Part time
1,509 hours, 440 cycles
Stage of operation
NR
How discovered
O
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

CFM IS REPORTING #2 ENGINE ODMS CHIP COUNT INCREASE ON A SINGLE FLIGHT. GROUNDED - YES. PERF ODMS SENSOR INSP IAW B737-9 AMM 79-00-00. PARTICLES CANNOT BE VISUALLY IDENTIFIED, TO BE SENT TO LAB FOR IDENTIFICATION. ODMS BUILDUP IS NORMAL FUZZ LEVEL. PERF SCAVENGE SCREEN PLUGS INSP IAW AMM 79-21-04. NO DEBRIS FOUND ON ANY SCAVENGE SCREENS. PERF STARTER MAGNETIC CHIP DETECTOR INSP IAW AMM 80-11-09. FOUND ABNORMAL ACCUMULATION OF PARTICLES. AMOUNT OF PARTICLES IDENTIFIED IAW AMM 79-00-00, AMOUNT IS LIGHT MODERATE FUZZ. PARTICLES CANNOT BE VISUALLY IDENTIFIED R&R ENG #2 STARTER PER AMM 80-11-01/401. PERF DEBRIS MONITORING SYS B COUNT RESET REF AMM 71-00-00-700-802-G00 ALL TESTS PASS.

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