What was found
NO DUCT PRESS FOR ENGINE START. TRANSFER TO MDDR 138842, IAW MEL 49-11-01-01. MCC NOTIFIED PLACARD INSTALLED. REMOVED AND REPLACED APU SURGE CONTROL VALVE, IAW AMM 49-53-01. OPERATIONS CHECK GOOD. THIS CLEARS DMI 138842.
- Difficulty date
- December 2, 2020
- Submitted
- December 4, 2020
- Operation
- Air carrier
- Aircraft
- N1709A
- Make and model
- Boeing 767375
- Aircraft serial
- 24086
- Aircraft time
- 95,300 hours, 22,464 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Control Valve
- Part number
- 97980612
- Part serial
- 1071C
- Condition
- Malfunctioned
- Location
- Apu Surge
- Stage of operation
- TX
- 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.