# SDR CALA2025022400427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2025
- Submitted: February 24, 2025
- Operation: Air carrier
- Aircraft: [N13750](https://openairdocs.org/aircraft/N13750), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28941
- Aircraft time: 79,388 hours, 28,539 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Tee Angle
- Part number: 141A88421
- Condition: Damaged
- Location: Zone 200
- 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/CALA2025022400427

## Discrepancy

TEE ANGLE HAS ENLONGATED LOWER AFT HOLE BELOW LH SLIDING WINDOW FRAME REF AAR N/R 9932341 INSTALLED NEW INTERIM REPAIR AS PER EC/RA 5310-08522 WHICH REPETITIVE INSPECTION REQUIREMENTS (RIR) ASSTATED IN PART 2.  PROVIDE APPROVAL FOR THE ACCOMPLISHMENT OF AAR-MIA ESR EC/RA. THERE IS NO TERMINATING ACTION FOR THESE REPTITVE WI N-2023123-1-11365 AND 19-1502 TO REPAIR LEFT HAND NO.3 WINDOW INSPECTION REQUIREMENTS. REFERENCE LOG PAGE 3945793 FOR FRAME E-F POST. THIS REPAIR IS A CATEGORY B REPAIR REQUIRING ADDITIONAL WORK ACCOMPLISHED UNDER AAR MIA ESR 2023123-1-11365

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