# SDR CALA2014010990093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2014
- Submitted: January 9, 2014
- Operation: Air carrier
- Aircraft: N181UA
- Make and model: Boeing 747422
- Aircraft serial: 25278
- Aircraft time: 92,629 hours, 11,140 cycles
- Engine: Pwa PW4056
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- 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/CALA2014010990093

## Discrepancy

LT BS 1200 TENSION TIE AREA, THREE EACH HOLES CRACK FOUND AT FWD CHANNEL.  MAIN DECK LT BS 1200 FWD CHANNEL REPAIRED IAW SRM 53-40-30, REPAIR 1, FIG 201.

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