# SDR CALA2023120803592

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2023
- Submitted: December 8, 2023
- Operation: Air carrier
- Aircraft: [N69838](https://openairdocs.org/aircraft/N69838), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 60121
- Aircraft time: 27,164 hours, 9,792 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702030
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023120803592

## Discrepancy

(B737-33-3-0235) BATTERY POWER SUPPLY M1675 FAILED OPS CHECK. TR ANSCRIBED FROM HAECO NR 9280644. REMOVED AND REPLACED M1675 BATTERY POWER SUPPLY IAW B737-900ER AMM 33-51-06-960-806. OPS TEST CHECKS GOOD IAW B737-900ER AMM 33-51-06-960-806; STEP 5.E.(5) REF HAECO GSO MECH V901654 INSP QC 384.

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