Service difficulty report · Ignition Unit · Boeing 7673JHF
FAA SDR system
- Difficulty date
- September 13, 2021
- Submitted
- September 15, 2021
- Operation
- Air carrier
- Aircraft
- N643GT
- Make and model
- Boeing 7673JHF
- Aircraft serial
- 37809
- Part
- Ignition Unit
- Part number
- 38880585
- Part serial
- 020218030
- Condition
- Inoperative
- Location
- Apu
- Stage of operation
- NR
- How discovered
- 9
- 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 FAILS TO START WITH NO IGNITION HEARD.(<P>APU ECU BITE C/OUT. LRU FAULTY-IGN UNIT FAULTED. T/SHOOTING C/OUT IAW FIM 49-11 FAULT TREE A10. APU IGNITION UNIT REQ'S REPLACEMENT. NIL SPARES AVAILABLE. OPERATE IAW MEL 49-11-01A. HMG TEST SATIS IAW AMM 24-25-00-715-001. MDDR 153466 CAT C EXPIRES 23SEP21. DISP: JZ @1814Z.</P> / <P>LP <SPAN>1310994: </SPAN><SPAN>APU IGNITION UNIT REPLACED IAW AMM 49-41-03/401 REV 132 22DEC20. APU NOW SERVICEABLE. DMI 153466 CLOSED. MCC: JOL TIME: 2216Z </SPAN></P>)