# SDR USAA990928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N560AU
- Make and model: Boeing 737301
- Aircraft serial: 23514
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Frame
- Condition: Cracked
- Location: R1 Doorway
- Part time: 40,865 hours
- 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/USAA990928

## Discrepancy

PIT - DURING RON, FOUND .8750 INCH CRACK IN RADIUS OF Z-ANGLE DOOR FRAME AT R1 ABOVE BOTTOM HINGE CUT-OUT IN DOOR OPENING.  STOP DRILLED CRACK, INSTALLED TITANIUM DOUBLER PER SRM 53-10-15, FIG 3, SH 2/ER 07-07-90/EA 52711.  (X)

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