Service difficulty report · Packing · Boeing 74745EF

Difficulty date
January 19, 2025
Submitted
January 21, 2025
Operation
Air carrier
Aircraft
N487MC
Make and model
Boeing 74745EF
Aircraft serial
30609
Aircraft time
98,464 hours, 18,017 cycles
Engine
Ge CF680C2B1F
Part
Packing
Part number
J221P904
Condition
Leaking
Location
Pressure Switch
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ENG 2 OIL QTY DROPPED FROM 20Q TO 9Q, FOLLOWED BY A DROP FROM 8 TO 7 TO 6 ABOUT EVERY HALF HOUR. FOUND ENG #2 LOW PRESSURE WARNING SWITCH PACKING INSTALLED IN WRONG POSITION. INSTALLED NEW PACKING PER AMM 79-33-01 PERFORMED ENG #2 POWER PER AMM 71-00-00. AMM ENG INDICATIONS LEAK CHECK GOOD.

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