Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
January 24, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N227WN
Make and model
Boeing 7377H4
Aircraft serial
34450
Aircraft time
57,729 hours, 34,495 cycles
Part
Floor Panel
Part number
NOTENTERED
Part serial
NOTENTERED
Condition
Delaminated
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
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

A-204 DOT #21 FLOOR PANEL 232SF; LOWER SURFACE HAS DELAMINATION AROUND INSERT HOLE WITH SPLITTING FIBERS ON O/B SIDE. APPROX 60' FROM FWD SIDE<[01] EVALED LOWER SURFACE OF FLOOR PANEL 232SF. FOUND IN REPAIR LIMITS OF B737-700 SRM 53-00-50-2R-7 REPAIR 7;[02] PREPPED LOWER SURFACE OF FLOOR PANEL 232SF FOR WET LAY-UP REPAIR PLIES IAW B737-700 SRM 53-00-50-2R-7 REPAIR 7 STEPS 3 (A-E);[03] VERIFIED MATERIALS FOR WET LAY-UP REPAIR BOND TO LOWER SURFACE OF FLOOR PANEL 232SF IAW B737-700 SRM 53-00-50-2R-7 REPAIR 7 TABLE 201<BR><BR>FABRIC BMS 9-3 TY H3 (A162523)<BR>RESIN BMS 8-201 TY IV (A156917)<BR>POTTING COMPOUND BMS 5-28 TY 19 (A153169);[04] VERIFIED STEP 1; 2 & 3;[05] OK GIVEN TO BOND;[06] BONDED REPAIR PLIES TO LOWER SURFACE OF FLOOR PANEL 232SF IAW B737-700 SRM 53-00-50-2R-7 REPAIR 7 STEPS 3 (F-J)<BR>REPAIR COMPLETE;[07] JOB COMPLETE; AUDIT C/W

More about the Boeing 737-7H4