# SDR EIAA9553

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N485EV
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 20712
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Flow Control
- Part number: 7644762
- Condition: Failed
- Location: Nr 3 Pack
- Stage of operation: NR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIAA9553

## Discrepancy

JED - LOG PAGE:  E 07977 - AFTER TAKEOFF, PACK NR 3 WOULD NOT OPERATE.  AIRCRAFT WOULD NOT HOLD PRESSURIZATION.  MADE OVERWEIGHT LANDING ON RETURN TO OEJN.  INSPECTION REQUIRED.  GW = 706.5.  REPLACED NR 3 FLOW CONTROL AND SHUT-OFF VALVE PER MM 21-51-01, PAGE 401.  OPS AND LEAK CHECK CHECKED.  PERFORMED OVERWEIGHT LANDING INSPECTION PER MM 5-51-39, PAGE 201, PHASE 1 EXAMINATION, NO DAMAGE NOTED.  (X)

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