# SDR UIEA2019102215772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2019
- Submitted: October 29, 2019
- Operation: Air carrier
- Aircraft: [N1499A](https://openairdocs.org/aircraft/N1499A), registered now
- Make and model: Boeing 767328
- Aircraft serial: 27428
- Aircraft time: 79,048 hours, 17,353 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Indicator
- Condition: Inoperative
- Location: Outflow Valve
- Stage of operation: CR
- How discovered: O
- Nature of condition: P
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019102215772

## Discrepancy

OVERHEAD PANEL; OUTFLOW VALVE POSITION INDICATOR INOPERATIVE, INDICATES FULL OPEN AT ALL TIMES. PRESSURIZATION NORMAL IN FLIGHT. (<P>TRANSFERRED TO MDDR #119464 IAW 21-33-04, CAT 'C', DUE DATE: 31-OCT-19. PLACED P/N 130502-7 ON ORDER W/ MCC.</P><P>LP 1048322 - M4: PERFORMED OPS CHECK OF THE OUTFLOW VALVE ALL MANUAL MODE. OUTFLOW VALVE OPERATES CORRECTLY BUT NO INDICATIONS IAW AMM 21-31-03. THEN, CHECKED CONTINUITY BETWEEN CABIN PRESS CONTROL UNIT AND CABIN SELECTOR PANEL PINS 1 & 8, 2 & 20, 8 & 30, NO FAULTS. </P><P>LP 1048322 - M6: PER WDM 21-31-11 SH1 & SH2, CLEANED VALVE POSITION SWITCHES. OBSERVED SLIGHT  DEFLECTIONS, ALL IN THE CABIN PRESSURE CONTROL UNIT. MDDR 119464 REMAINS OPEN AT THIS TIME.</P><P>LP 1091202 - M4: REMOVED AND REPLACED CABIN PRESSURE SELECT PANEL IAW AMM 21-31-01, OPS CHECK GOOD. THIS CLEARS DMI 119464. MCC NOTIFIED AND PLACARD REMOVED. </P>)

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