What was found
WITH APU RUNNING, APU GEN DISPLAYS ZERO VOLTS & FREQUENCY. ACFT GROUNDED. RAN BITE ON APU GCU, GREEN PASS LIGHT IAW MM 24-21-81. APU GENERATOR OPS TEST NORMAL IAW MM 24-21-00, ALL INDICATIONS NORMAL. GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- August 26, 2015
- Submitted
- August 31, 2015
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 31,901 hours, 9,712 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Generator
- Condition
- False Indication
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.