# SDR DL72S970291

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N409DA](https://openairdocs.org/aircraft/N409DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21153
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Blkhd Stiffener
- Condition: Cracked
- Location: Bs 1183
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72S970291

## Discrepancy

WHILE ACCOMPLISHING EO 4-59275-12, 2.5 INCH CRACK WAS FOUND ON I/B FLANGE OF VERT STIFFENER LOCATED AT RBL 8.  A SECOND 1.5 INCH CRACK WAS FOUND ON O/B FLANGE IN VERT STIFFENER FOUND AT LBL 8.  BOTH CRACKS FOUND AT WL 100.  MTC WILL ACCOMPLISH ONLY OPER 0240/0245 OF EO 4-59275-3AD.  THE REMAINDER OF THE REPAIR WILL BE ACCOMPLISHED AT NEXT OVERHAUL.

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