SDR UIEA2021052101163

Service difficulty report · Apu · Boeing 767306

Difficulty date: May 20, 2021
Submitted: May 24, 2021
Operation: Air carrier
Aircraft: N1399A
Make and model: Boeing 767306
Aircraft serial: 27959
Aircraft time: 93,672 hours, 18,386 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Part number: 380029812
Part serial: P1001
Condition: Faulted
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

APU PNEUMATIC FUNCTION INOP ( AUXILIARY POWER UNIT, PNEUMATIC FUNCTION )(TRANSFERED TO MDDR 147249 IAW MEL 49-11-01-01, CAT C, DUE 30MAY21.LOG PAGE 1341621: REMOVED AND REPLACED APU IAW WORK CARD A-49-999-00-01. THIS CLEARS MDDR 147249. )