# SDR CALA2022021400367

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2022
- Submitted: February 14, 2022
- Operation: Air carrier
- Aircraft: [N57870](https://openairdocs.org/aircraft/N57870), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 33525
- Aircraft time: 51,235 hours, 14,781 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Frame
- Part number: 146N87493
- Part serial: NA
- Condition: Cracked
- Location: Sta 1 640
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022021400367

## Discrepancy

(SUPPORT TASK) CRACK FOUND ON LOWER INBD HOLE FWD LAYER AT STA 1 640 L/H FRAME ON THE INTERCOSTAL TEE CLIP. TRANSCRIBED FROM HAEC O GSO TASK CARD 9281318 RESULTS OF A DAMAGE TOLERANCE ANALYSIS (DTA). REMOVE THE UNLESS ANOTHER 8100-9 FORM IS RECEIVED FINDING APPROVAL FOR AIRCRAFT FROM SERVICE ON OR BEFORE 19,900 TOTAL AIRCRAFT CYCLES, DAMAGE TOLERANCE REQUIREMENTS. THE REPAIR INCORPORATED VIA ECRA5361-01093 IS APPROVED AS TIME LIMITED UNTIL 19,900 TOTAL AIRCRAFT FLIGHT CYCLES PENDING THE TRANSCRIBED FROM HAECO LOG PAGE 9281318. ACCOMPLISHED LH STA 1640 FRAME REPAIR IAW UNITED ECRA 5361-01093. ADD EMP:V932675

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