# SDR ASAA2019031428647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2019
- Submitted: March 19, 2019
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 21,667 hours, 7,091 cycles
- System (JASC): [7600 · Engine Controls](https://openairdocs.org/jasc/7600)
- Part: Switchpack
- Part number: 254A115012
- Part serial: 556
- Condition: Failed
- Location: Access Bay
- Part time: 1,310 hours, 585 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019031428647

## Discrepancy

ENG. 2 REVERSER LIGHT REMAINED ILLUMINATED AFTER LANDING. GROUNDED - YES. REF FIM 78-32 TASK 807, RANG OUT S5 OF RT A/T SW PACK. FOUND TO BE BAD. REF AMM 76-11-07. REMOVED/REPLACED RT A/T SW PACK ASSY. ALL TEST GOOD. T/R OPS NML NUMEROUS TIMES REF AMM 78-31-00.

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