# SDR DALA2026012700636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2026
- Submitted: January 27, 2026
- Operation: Air carrier
- Aircraft: [N316DU](https://openairdocs.org/aircraft/N316DU), registered now
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- Aircraft serial: 55207
- Aircraft time: 8,100 hours, 3,328 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Zone 100
- 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/DALA2026012700636

## Discrepancy

FRAME 74 LT, THREE FASTENER HOLES CORRODED BTWN STRINGERS 21- 22L. COMPLIED WITH ER/A PRI 631664-14 REV 0, REV 1, AND FINAL ER/A 631664-14 REV ORIG. ORIGINAL THICKNESS 0.155", MAX MATERIAL REMOVED 0.016, AND MINIMUM MATERIAL REMAINING 0.127". (LP# 1413836)

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