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
Cracked
Location
Cabin
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

A22-01; PASSENGER CABIN FLOOR PANEL 241CF; FWD/OTBD CORNER UPPER SURFACE; DEEP DENT THAT'S CRACKING FACE SHEET ; / [01] EVALUATED AND FOUND DAMAGE AS MARKED LESS THAN 4 SQ INCHES. FOUND TO BE REPAIRABLE IAW SRM 53-00-50-2R-4.<BR><BR>CLEANED AND PREPPED IAW SRM 53-00-50-2R-4 STEP 3 A; C-E.<BR><BR>VERIFIED MATERIAL IAW SRM 53-00-50-2R-4 TABLE 201. RESIN (A54258); POTTING COMPOUND (A47287); FABRIC (A24484).<BR><BR>APPLIED POTTING COMPOUND IAW SRM 53-00-50-2R-4 STEP 3 G-J. CURED AT 120 DEGREES (AAR 30347 EXP 4-29-22).; [02] BOND REPAIR. NEED OK TO BOND; [03] VERIFIED STEP 1 AND OK TO BOND; [04] BONDED REPAIR IAW SRM 53-00-50-2R-4 STEP 3 K-M. CURED AT 150 DEGREES (OVEN B0-06 EXP 8-25-21). TAP TEST GOOD.; [05] REPAIRED PASSENGER CABIN FLOOR PANEL 241CF FWD O/B CORNER UPPER SURFACE DEEP DENT CRACKING FACE SHEET IAW SRM 53-00-50-2R-4 AND SRM 53-00-50-2R-0 REPAIR GENERAL.; [06] VERIFIED STEPS 4-5 AND AUDITED

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