# SDR DALA2021040101932

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2021
- Submitted: April 1, 2021
- Operation: Air carrier
- Aircraft: [N171DN](https://openairdocs.org/aircraft/N171DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 24759
- Aircraft time: 135,296 hours, 19,284 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- 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/DALA2021040101932

## Discrepancy

SHIP 171 DURING INSPECTION MAINTENANCE FOUND 1EA CRACK ON EACH OF THE INNER CHORDS LOWER END (WL 190) OF BS903.5 LH & RH FRAME SEGMENT (PN 145T1001-7 / -8) RESPECTIVELY. THE CRACKS WERE LOCATED AT THE 0.25 RADIUS TRANSITION BETWEEN THE CHORD FLANGES APPROX. 0.25 LONG ON RH AND 0.375 LONG LH. C/W ERA 465297-14 REV C (LP 1740974)

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