# SDR DL73E971680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N369DL](https://openairdocs.org/aircraft/N369DL), registered now
- Make and model: Boeing 737-2S3
- Registry model: [Boeing 737-2S3](https://openairdocs.org/model/boeing-737-2s3) (OpenAirDocs)
- Aircraft serial: 21776
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 69787701
- Condition: Cracked
- Location: Bs 727
- 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/DL73E971680

## Discrepancy

WHILE ACCOMP INSPECTIONS REQUIRED BY AD 95-12-17, A TYPICAL CRACK WAS FOUND IN THE BS 727 FRAME, OUTBOARD CHORD AT STR 18A, LHS.  THE CHORD WILL BE REPLACED PER S/B 737-53-1088 AND A PREVENTATIVE MODIFICATION WILL BE ACCOMP PER S/B 737-53A1166.  THE S/B REQUIRES CHORD REPLACEMENT PER BAC DWG 65C33722.  CURING THE INSTALLATION OF THE EXTERNAL STRAP 69-78770-1.  MX WAS UNABLE TO PICK UP THE FASTENER PATTERN SHOWN ON SHEET 1 OF 65C37277 IN THE LWR FWD PORTION OF THE STRAP. THE ER/A ADDRESSES THE DISCREPANCIES IN THE INSTALLATION OF THE EXTERNAL STRAP.

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