# SDR UIEA2012121900556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2012
- Submitted: December 19, 2012
- Operation: Air carrier
- Aircraft: [N780BA](https://openairdocs.org/aircraft/N780BA), registered now
- Make and model: Boeing 747409
- Aircraft serial: 24310
- Aircraft time: 70,835 hours, 13,894 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Damaged
- Location: Bs 320
- 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/UIEA2012121900556

## Discrepancy

DURING THE D2/C2/A2 CHECK  IAW EO 4453A295/ SB 747-53A2784 FOUND THE CROWN FRAME WEB AT BS 320 TO BE UNDERSIZED REQUIRING REPLACEMENT.  WHILE ACCOMPLISHING THE WEB REPLACEMENT IAW PART 2 OF EO 4453A295, EGAT NOTICED SEVERAL DEVIATIONS FROM THE SB REQUIREMENTS.  ACCOMPLISHED EI NR T2012A53B-2850 REV 00 AND REV 01.  JOB COMPLETED AND CONDITION CHECKS NORMAL.

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