# SDR QMLA2014051314052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2014
- Submitted: May 14, 2014
- Operation: Air carrier
- Aircraft: [N900UM](https://openairdocs.org/aircraft/N900UM), registered now
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000112
- Aircraft time: 2,027 hours, 8,814 cycles
- System (JASC): [2571 · Battery Box Structure](https://openairdocs.org/jasc/2571)
- Part: Battery Box
- Part number: 900F2305865103
- Condition: Cracked
- Location: Fuselage
- Part time: 2,027 hours, 8,814 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2014051314052

## Discrepancy

DURING AN ONGOING MX INSPECTION, MULTIPLE CRACKS WERE FOUND ON LOWER LT  BATTERY BOX CLOSE OUT FLANGE.  OBTAINED ENGINEERING SERVICE REPORT, ESR900-09201-CP1 DESCRIBING THE REPAIR.  THIS REPAIR HAS BEEN CLASSIFIED AS MINOR FROM THE MANUFACTURER.  THIS ACFT CONTINUES TO REMAIN OUT OF SERVICE AT THE TIME OF THIS SUBMISSION.

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