SDR UIEA2021011400053

Service difficulty report · Oil System · Boeing 76731K

Difficulty date: January 14, 2021
Submitted: January 15, 2021
Operation: Air carrier
Aircraft: N1489A
Make and model: Boeing 76731K
Aircraft serial: 27206
Aircraft time: 108,830 hours, 21,684 cycles
System (JASC): 4990 · APU Oil System
Part: Oil System
Condition: Low
Location: Apu
Stage of operation: LD
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

APU WOULD NOT START AFTER LANDING. PERFORMED FIM TASK 49-11 FAULT TREE 958, NO DEFECTS NOTED. SERVICED APU OIL, IAW AMM 12-13-01. TO FULL W/ .5 QUART. PERFORMED GBVI OF EWIS, IAW AMM 20-60-04-102-001. PERFORMED OPERATIONS CHECK, IAW AMM 49-11-00. 3 GOOD STARTS AND NO DEFECTS NOTED. ALSO USE A WIDE PNEUMATIC & ELECTRICAL LOAD ON APU.

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