SDR UIEA2019091905544

Service difficulty report · Unknown · Boeing 76731K

Difficulty date: September 17, 2019
Submitted: September 20, 2019
Operation: Air carrier
Aircraft: N1487A
Make and model: Boeing 76731K
Aircraft serial: 28865
Aircraft time: 85,929 hours, 17,424 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Unknown
Condition: Malfunctioned
Location: Apu
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

3 APU FAULT / START DURING SHUT DOWN. TRANSFERRED TO MDDR #117876 PER DDG 25-AP-01, OPTION C, CAT N, DUE 09-16-20. LP 1076132 - M2: PERFORMED APU BITE TEST IAW FIM 49-11 FT 958, NO FAULTS NOTED. (2) TWO SUCCESSFUL STARTS. MDDR 117876 REMAINS OPEN PER DDG 25-AP-01, OPTION C, CAT N. LP 1076135 - ITEM 1: APU RELIABILITY COLD START OAT -36C, FL 330, 1X SUCCESSFUL START. NOTED BY MX. THIS ACTION CLEARS DMI 117876. PLACARD REMOVED.

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