# SDR 5266S

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2004
- Submitted: April 15, 2004
- Operation: General aviation
- Aircraft: [N601GG](https://openairdocs.org/aircraft/N601GG), registered now
- Make and model: Lear 60LEAR
- Aircraft serial: 192
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Support Beam
- Part number: 2660016507
- Condition: Cracked
- Location: Thrust Reverser
- 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/5266S

## Discrepancy

LT AND RT THRUST REVERSER, THE SUPPORT BEAMS, ALSO KNOWN AS BIRD CAGES PN 266-0016-507 ARE CRACKING AT THE GUIDE ROD FEED THROUGHS.  THIS DISCREPANCY HAS BEEN OBSERVED ON THE FOLLOWING  N620JF, 60-074, N114PJ, 60-114, N600GG 60-115, N91772 60-053, N60UU 60-007, N603SC 60-096, N415NP 60-024, N43NR 60-043, N601GG 60-192.  AFTER INSTALLING THE NEW REPLACEMENT SUPPORT BEAM PN 288-0019-1 WE HAVE DISCOVERED NO CRACKS AT THE GUIDE ROD FEED THROUGHS

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