# SDR CALA2021122202423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2021
- Submitted: December 22, 2021
- Operation: Air carrier
- Aircraft: [N77261](https://openairdocs.org/aircraft/N77261), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31582
- Aircraft time: 66,404 hours, 22,636 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Frame
- Part number: 141A8800
- Condition: Cracked
- Location: #1 Window
- 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/CALA2021122202423

## Discrepancy

AVO9353 REV-A STEP B1-4 HFEC ACCOMPLISHED , R1 CRACK FOUND ( CRACK CONDITION #1 )FIG. 13.1 FIG A 5/8" IN LENGTH, SEE ATTACHED PHOTO. VERIFIED FRAME SEPARATED AND CRACK CUT OUT REF AVO STEPS A&B. VERIFIED HARDWARE INSTALLATION AND SLIDING WINDOW OPERATION PER VERIFIED CORRECT KIT PART NUMBER FOR FOR R-1 WINDOW REPAIR PER CKS OK. OK TO REINSTALL SIDE POST FASTENERS PER STEP C FOR R-1 AVO STEP C OF R-1 WINDOW. AVO. WINDOW. PER A.V.O ESC 211217-0261-2A, STEPS A&B SEPARATED AND CUT WINDOW COMPLIED WITH STEP C.C-D OF ESC211217-0261-2A, REINTALLED THIS IS FOR A INSPECTION  VERIFICATION ON THE WORK PERFORMED ON VERIFIED BOEING REPAIR KIT P/N 002A0003-224 FOR RIGHT HANDFRAME FRAME. PREVIUOSLY REMOVED FASTENERS AND VERIFIED THE NUMBER 2 WINDOW THE PREVIOUS UPDATE OF STEP C.C-D OF A.V.O. ESC211217-0261-2A REPAIR AS IN A.V.O ESC211217-0261-2A DID NOT MAKE CONTACT WITH FASTENERS. ALL STEPS ABOVE ARE COMPLIED, O.K TO INSTALL REPAIR PARTS. VERIFIED STEPS D ,SUB STEPS 8 THRU 21 ARE COMPLY WITH , FIGURE 24 SHEETS 7&8.OK TO INSTALL .RIGTH HANDFRAME PERESC211217-0261-2A. AS IN A.V.O ESC 211217-0261-2A, STEP D. COMPLIED WITH SUB- STEPS 8 THRU 21 OF FIGURE # 24, SHEETS 7 & 8, DRILLED AND COUNTERSUNK REPAIR DOUBLER AND TRIPLER. COUNTERBORED WINDOW FRAME, APPLIED ALODINE & PRIMER. INSTALLED COUNTERSINK FILLER WASHERS. VERIFIED VERIFIED INSTALLATION OF 7 SCREWS AND TWO HI LOK FASTENERS INSPECRED REF STEPS 22 THRU 25 AND DOUBLER FASTNER INSTALLATION BEFORE ACESS PLATE INSTALLED IN

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