Service difficulty report · Window Frame · Boeing 737724

Difficulty date
October 16, 2024
Submitted
October 23, 2024
Operation
Air carrier
Aircraft
N21723
Make and model
Boeing 737724
Aircraft serial
28790
Aircraft time
78,826 hours, 27,718 cycles
Part
Window Frame
Part number
141A880023
Condition
Damaged
Location
Zone 200
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

737NG -LH SIDE NUMBER 3 WINDOW FRAME POST - PERMANENT REPAIR. - REF STEP 37A OF EA, SINCE 2D EDGE MARGEN COULD NOT BE MAINTAIND EXTEND FRAME CUT PER AVO 723-24-10-11-01 REV A PERFORMED HFEC INSPECTION OF TRIM OUT EDGES IAW 737 NDT MANUAL PART 6, 51-00-00 PROCEDURE 23 PER AVO 723-24-10-11-01 STEP 4A. REF. EA 5310-08195 OP 3. NO DEFECTS NOTED UPGRADED TO MAJOR REPAIR PERFORMED EXTENDED CUT TO FRAME PER FIGURE 2 OF AVO 723-24-10-11-01, HFEC OF CUT EDGE REQUESTED VERIFIED: VERIFIED MATERIAL AS 7075-T651, P.O.# 3119692, TO VERIFIED MATERIAL AS 2024-T3. P.O.# 3848635, TO FABRICATE FABRICATE -2 FILLER. REF. AVO#: 723-24-10-11-01 EXTENDED -21 INNER CHORD STRAP. REF. AVO#: 723-24-10-11-01 REV B & BOEING DWG# 641A8800 VERIFIED MATERIAL AS 7075-T651, P.O.# 3119692, TO FABRICATE -2 FABRICATED -2 FILLER. REV. AVO#: 723-24-10-11-01 VERIFIED MATERIAL AS 2024-T3. P.O.# 3848635, TO FABRICATE FILLER. REF. AVO#: 723-24-10-11-01 EXTENDED -21 INNER CHORD STRAP. REF. AVO#: 723-24-10-11-01 REV B & BOEING DWG# 641A8800 VERIFIED, MATERIAL AS 7075-T7351 FOR FABRICATION OF NEW -2 FILLER,P.O # 3939039. VERIFY MATERIAL AS 7075-T7351 FOR FABRICATION OF NEW -2 FILLER REFERENCE FOR MATERIAL FOR -2 FILLER FABRICATION IS AVO P.O.# FOR MATERIAL FOR -2 FILLER FABRICATION IS 3939039 LOCATED DOUBLER AND TRIPLER, DRILLED TO FINAL SIZE. IAW AVO 723-24-10-11-01 REV. C 723-24-10-11-01 REV C VERIFIED FABRICATION AND DRILLING OF -1 FILLER USING 7075-T6 VEREFIED FABRICATED -2 FILLER. REF. AVO 723-24-10-11-01 PER