Service difficulty report · Ecu · Boeing 767306

Difficulty date
July 1, 2019
Submitted
July 8, 2019
Operation
Air carrier
Aircraft
N1427A
Make and model
Boeing 767306
Aircraft serial
28098
Aircraft time
79,465 hours, 16,962 cycles
Part
Ecu
Part number
97980612
Part serial
2405C
Condition
Malfunctioned
Location
Apu
Stage of operation
NR
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 PRODUCED 21 PSI FOR #2 ENGINE START AND ONLY 10 PSI FOR #1 ENGINE START. CROSS START REQUIRED. (<P>TRANSFERRED TO MDDR 114030 IAW MEL 49-11-01-01. PNEUMATIC FUNCTION OF APU INOP. CAT 'C', DUE 11-JUL-19. R&R APU SURGE BLEED OPS CHECK GOOD IAW AMM 49-53-01 AND 49-53-01. ALSO REMOVED AND REPLACED APU ECU IAW AMM 49-61-05 OPS CHECK GOOD. THIS CLEARS MDDR-114030 AND PLACARD REMOVED.</P><P><BR DATA-MCE-BOGUS="1" /></P>)