Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
August 10, 2021
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
57,970 hours, 34,611 cycles
Part
Floor Panel
Condition
Pulled
Location
Cabin
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

A22-05; PASSENGER CABIN FLOOR PANEL 232SF; UPPER SURFACE; LARGE AREAS OF PULLED FACESHEET PLIES ; / [01] EVALUATED DAMAGE; UPPER SURFACE IS REPAIRABLE IAW B737 SRM 53-00-50-2R-1. TAP TEST GOOD; NO DELAMINATION NOTED.<BR><BR>CLEANED AND PREPPED REPAIR AREA IAW B737 SRM 53-00-50-2R-1 PAR 3 STEPS A;C;E;F; AND J.<BR><BR>VERIFIED REPAIR MATERIALS IAW B737 SRM 53-00-50-2R-1 TABLE 201; RESIN EPOCAST 50A (A51753); FIBERGLASS CLOTH BMS9-3 (A24484).<BR><BR>REQUIRES OKAY TO BOND REPAIR.; [02] VERIFIED STEP 1 AND OK TO BOND; [03] BONDED REPAIR PLIES IAW B737 SRM 53-00-50-2R-1 PAR 3; STEPS K;L; AND M. CURED AT 150 DEGREES FOR 4 HOURS. THERMOMETER AAR30347; CAL DUE 4/29/22. TAP TEST GOOD.; [04] REPAIRED PASSENGER CABIN FLOOR PANEL 232SF UPPER SURFACE IAW B737 SRM 53-00-50-2R-1.; [05] VERIFIED STEPS 3-4 AND AUDITED

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