What was found
HMG FAILS A-CHECK. MEASURED VOLTAGE IS 34.4 VDC. REQUIRED VOLTAGE IS 28VCD +-3. REPLACED HMG TRANSFORMER POWER SUPPLY T10060, HMG CHECKS OKAY.
- Difficulty date
- July 20, 2011
- Submitted
- August 12, 2011
- Operation
- Air carrier
- Aircraft
- N598UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28751
- Aircraft time
- 49,633 hours, 13,882 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2425 · AC Indicating System
- Part
- Transformer
- Part number
- 0802032501
- Part serial
- 9710
- Condition
- Faulty
- Location
- Nr 1
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.