Service difficulty report · Trans Rectifier · Boeing 7474B5F
FAA SDR system
- Difficulty date
- November 8, 2025
- Submitted
- November 12, 2025
- Operation
- Air carrier
- Make and model
- Boeing 7474B5F
- Aircraft serial
- 26408
- Aircraft time
- 105,156 hours, 18,297 cycles
- Part
- Trans Rectifier
- Part number
- 241805
- Part serial
- C4540
- Condition
- Inoperative
- Location
- Nr 1
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- G
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
100281155: MULTIPLE ELECTRICAL FAILURES. ACTION TAKEN: T/S & FOUND DC 1 DIST P6 C/B POPPED IAW B747 WDM 24-54-12. REMOVED & REINSTALLED #1 TRU IAW B747-400 AMM 24-32-01. MSG CLEARED, OPS CHECK FAILED. 100281156: #1 TRU FAIL. ACTION TAKEN: REMOVED & REPLACED #1 TRU IAW B747-400 AMM 24-32-01. OPS CHECK GOOD. A/C OK FOR SERVICE.