Service difficulty report · Exchanger · Boeing 75724APF

Difficulty date
March 24, 2019
Submitted
April 1, 2019
Operation
Air carrier
Aircraft
N428UP
Make and model
Boeing 75724APF
Aircraft serial
25459
Aircraft time
26,948 hours, 18,597 cycles
Part
Exchanger
Part number
1942723
Part serial
522312
Condition
Failed
Location
Rt Acm
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

INSPECTION TYPE:N/ATHE RIGHT PACK HAS A STRONG OIL SMELL. OPERATES NORMALLY. DUE TO LATE ARRIVAL OF SPARE PARTS NO SUFFICIENT GND. TIME. ITEM DEFFERED, IAW MEL 21-51-1 REV 73. PLACARD INSTALLED. ** SUPPLEMENTAL SDR **SECONDARY HEAT EXCHANGER REPLACED IAW AMM 21-51-02 PB 401 REV 123.00. LEAK CHECK ACCOMPLISHED, NO FURTHER SMELL. DMP REVERSED. THIS CLOSES DMI M665615. PLACARD REMOVED.

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