Service difficulty report · Frame · Boeing 737824

Difficulty date
December 21, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N77261
Make and model
Boeing 737824
Aircraft serial
31582
Aircraft time
66,404 hours, 22,636 cycles
Part
Frame
Part number
141A8800
Condition
Cracked
Location
#1 Window
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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