# SDR DALA1220956901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2012
- Submitted: April 9, 2012
- Operation: Air carrier
- Aircraft: N751AT
- Make and model: Boeing 757212
- Aircraft serial: 23125
- Aircraft time: 80,656 hours, 36,546 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 146N851210
- Condition: Damaged
- Location: Cargo Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1220956901

## Discrepancy

WHILE ACCOMPLISHING OPN 50321AD, MTC FOUND THAT SEVERAL FASTENER HOLES WHERE OVERSIZED AND 1/8 BLIND FASTENERS WERE PREVIOUSLY INSTALLED.  THESE FASTENERS ARE BEYOND THE REQUIREMENTS OF AD 2002-24-02.  ACCOMPLISHED PERMANENT REPAIR PER ERA 501775-14 REV 2 TO RETURN AIRCRAFT TO AD CONDITION.

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