# SDR MZZA9521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N79745
- Make and model: Boeing 727224
- Aircraft serial: 22448
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Valve
- Part number: MA11A1062B
- Condition: Malfunctioned
- Location: Fuel Manifold
- Component: 1715
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MZZA9521

## Discrepancy

GUM - FLT 275 - L/P 7016123 - DUE TO NR 1 FUEL MANIFOLD VALVE PREVIOUSLY PLACARDED (MEL 28-07, L/P 791622) AND THE MANIFOLD VALVE SAFETIED IN THE OPEN POSITION, FLIGHT CREW REPORTED NR 1 TANK BURNED FUEL REGARDLESS IF THE BOOST PUMPS WERE TURNED OFF WHEN ATTEMPTING TO BURN FUEL FROM NR 2 TANK.  CREW AIR RETURNED TO GUAM.  MAINTENANCE REMOVED AND RPELACED NR 1 FUEL MANIFOLD VALVE PER MM 28-22-01 AND OPERATION CHECKED NORMAL.  (X)

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