Service difficulty report · Frame · Boeing 737824

Difficulty date
January 20, 2022
Submitted
January 21, 2022
Operation
Air carrier
Aircraft
N37287
Make and model
Boeing 737824
Aircraft serial
31636
Aircraft time
55,521 hours, 19,849 cycles
Part
Frame
Part number
14A8811
Condition
Cracked
Location
L1 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

FOUND CRACK ON L1 WINDOW FRAME POST. REFERENCE LOG PAGE 7816543. AFTER FURTHER INSPECTION OF CRACK FOUND TO BE A CONDITION 2 CRACK PER AVO09433 PAR C 1B. VERIFIED CRACK REMOVED, CUT #1 FRAME AS PER AVO9436 STEP A 2,B 1.2.TO STEP A 2, STEP B 1 A. AVO STEP COMPLETE SEPARATED #1 AND #2 WINDOW FRAMES,CUT #1 FRAME AS PER AVO9436 CORRECTION ON PREVIOUS STATEMENT " SEPARATED #1 AND #2 WINDOW STEP A 2,B 1.2. FRAMES,CUT #1 FRAME AS PER AVO9436 STEP A 2,B 1.2.TO STEP A 2, STEP B 1 A.". VERIFIED FASTENERS INSTALLATION IAW AVO 9436 NO DEFECTS NOTED INSTALLED FASTENERS CODE: C & D IN L/H UPPER WINDOW FRAME REPAIR INSTALLED FASTENERS CODE: C & D IN L/H UPPER WINDOW FRAME REPAIR DOUBLER/TRIPLER REF. AVO9436 FIG: 21..3, NEED TO INCAPSULATE DOUBLER/TRIPLER REF. AVO9436 FIG: 21..3, NEED TO INCAPSULATE FASTENER NUTS.FASTENER NUTS. OK TO INSTALL OK TO INSTALL AGREED WITH THE ABOVE STATEMENT OK TO INSTALL ACCOMPLISHED AVO9436, INSTALLATION STEP D.1. REF. FIG 14.4, ACCOMPLISHED AVO9436, INSTALLATION STEP D.1. REF. FIG 14.4, COMPLIED WITH AVO9436, INSTALLATION STEP D. 4 AND 5 ONLY. OKAY TO INSTALL L/H SIDE A-C SILL PANEL AND HUD BRACKET. COMPLIED WITH AVO9436, INSTALLATION STEP D. 4 AND 5 ONLY. 18.3, FIG 21.6, THRU FIG 21.10. OKAY TO INSTALL DOUBLER / 18.3, FIG 21.6, THRU FIG 21.10. OKAY TO INSTALL DOUBLER / TRIPLER. TRIPLER VERIFIED COMPLETION OF AVO9436 STEP D 1,2,AND 3. OK TO CONTINUE. COMPLIED WITH AVO9436, INSTALLATION PAR D PART 1,2 AND 3. COMPLETED INTERIM REPAIR PER ECRA 5311-0274