# SDR ASAA2017092622055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2017
- Submitted: September 28, 2017
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41732
- Aircraft time: 19,243 hours, 6,247 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Indicator
- Condition: Intermittent
- Location: Nr 1 Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017092622055

## Discrepancy

AFTER START,  THE NR 1 PACK LIGHT ILLUMINATED ON RECALL.  THE NR 1 PACK LIGHT GOES OUT WITH MASTER CAUTION RESET.  ACFT GROUNDED.  PERFORMED FIM 21-53 TASK 803,  NO FAULTS FOUND,  INDICATES INTERMITTENT FAULT. PERFORMED BITE CHECK IAW FIM 21-62 TASK 801 B.(1) - INDICATION GOOD. RESET BITE IAW STEP 801 B.(1)(G)(4) AND (I).

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