# SDR IPXA2019052342372

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2019
- Submitted: May 24, 2019
- Operation: Air carrier
- Aircraft: [N605UP](https://openairdocs.org/aircraft/N605UP), registered now
- Make and model: Boeing 747-8
- Registry model: [Boeing 747-8](https://openairdocs.org/model/boeing-747-8) (OpenAirDocs)
- Aircraft serial: 64252
- Aircraft time: 6,728 hours, 935 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Flapper Valve
- Condition: Malfunctioned
- Location: Cargo Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019052342372

## Discrepancy

INSPECTION TYPE:N/A FIRE CARGO AFT MASTER WARNING INDICATION ON FINAL, RAN CHECKLIST. RESET BULK CARGO FLAPPER VALVE (L&R) PER AMM 21-26-09. OPS CHK GOOD. R/R AFT EQUIP COOLING FAN PER AMM 21-58-01. OPS CHK GOOD .PN ON/OFF:645980-1 SN ON:714.SN OFF:1124.EFF SOURCE REF:IPC 21-58-01-05-005.

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