# SDR IPXA2023090629851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2023
- Submitted: September 6, 2023
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 123,933 hours, 20,849 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Controller
- Part number: UNKNOWN
- Part serial: NA
- Condition: Warning Message
- Location: Unknown
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023090629851

## Discrepancy

BLEED 2 OVHT SEE BARCODE T3F18E002AVCS AND T3F18E002AR9Y FOR PRV AND PRVC. PERFORMED IDLE ENG RUN. PER TECH REQUEST. REF. AMM 71-00-00-862-J00 REF. AMM 36-11-19-401 AND 36-11-20-401 FOR PRV AND PRVC. OPS CHECKS. NO FAULTS FOUND DURING OPS CHECK OF BLEED AIR SYS.

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