# SDR IPXA2023020390577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2023
- Submitted: February 3, 2023
- Operation: Air carrier
- Aircraft: N270UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48576
- Aircraft time: 65,878 hours, 18,442 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Not Entered
- Part number: NOTENTERED
- Part serial: NOTENTERED
- Condition: Not Entered
- Location: Fuselage
- 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/IPXA2023020390577

## Discrepancy

INSPECTION TYPE:NA**DIVERSION** DURING CLIMB OUT OF PHX CREW RECIEVED LEVEL 1 AIR SYS OFF MESSAGE. RED MANF FAIL LIGHT ON OVERHEAD PANEL ILLUMITED FOR APPROX. 10 SEC. AND WENT OUT. BLEED AIR VALVE # 1 CLOSED. SYSTEM IS DEPRESSURIZED.ACCOMPLISHED FIM 36-23-02 FIG 104, PNUE 1-27C DISPLAYED IN CFDS. REMOVED AND REPLACED MANIFOLD FAILURE SENSING ELEMENT D1-156 PER M/M 36-23-07 AND MFC PER M/M 36-23-01. OPS CHECK GOOD.

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