SDR UIEA2020111802415

Service difficulty report · Solenoid · Boeing 76731K

Difficulty date: November 18, 2020
Submitted: November 20, 2020
Operation: Air carrier
Aircraft: N1489A
Make and model: Boeing 76731K
Aircraft serial: 27206
Aircraft time: 108,421 hours, 21,554 cycles
System (JASC): 4990 · APU Oil System
Part: Solenoid
Part number: 96487V5000198
Part serial: 1769
Condition: Failed
Location: Apu
Stage of operation: IN
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

APU INOPERABLE ER OPERATIONS NOT ALLOWED. TRANSFERED TO MDDR: 138036, MEL: 49-11-01A CAT C DUE 28NOV20. DISPATCH: DL 0902Z. REMOVED AND REPLACED APU DE-OIL SOLENOID VALVE, IAW AMM 49-27-08. OPERATIONS TEST GOOD. APU COLD SOAK START REQUIRED, REF DMI 138063. THIS CLEARS MDDR 138036, PLACARD REMOVED, MCC NOTIFIED.

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