# SDR UALA2013010300041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2012
- Submitted: February 1, 2013
- Operation: Air carrier
- Aircraft: [N121UA](https://openairdocs.org/aircraft/N121UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29167
- Aircraft time: 57,511 hours, 6,714 cycles
- Engine: Pwa PW4056
- System (JASC): [2510 · Flight Compartment Equipment](https://openairdocs.org/jasc/2510)
- Part: Spring
- Condition: Broken
- Location: Chart Holder
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013010300041

## Discrepancy

1 CHART HOLDER ON CONTROL COLUMN IS DEFECTIVE.  (CAPT=1, FO=2, F.OBS=3, S.OBS=4, 5=CREW REST).   CREW COMMENTS: SPRING BROKEN.  NO PARTS SFO.  APPLIED MEL.  REPLACED CAPTAINS CONTROL COLUMN CHART HOLDER.

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