Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
August 5, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Floor Panel
Condition
Damaged
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

FLOOR PANEL 222AF HAS PEELING FIBERS ON UPPER SURFACE ; / [01] IDENTIFIED PANEL 222AF IAW SRM 53-00-50-0I-1.FIG 2. FOUND DAMAGE AT 8' FROM FWD EDGE; FROM I/B EDGE TO O/B EDGE TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1.PARA 4.F. REQUIRES REPAIR PER SRM 53-00-50-2R-1.<BR>REMOVED 8EA INSERTS TO FACILITATE MAINTENANCE IAW SRM 53-00-50-2R-1.PARA 3.B.<BR>REMOVED APPROX. 38'X0.7' DAMAGED PLIES. FABRICATED REPAIR PLIES FROM BMS 9-3 TY H2 LOT#1458851-1 IAW SRM 53-00-50-2R-1.PARA 3.A-F; K.(1).<BR>OK TO INSTALL.; [02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.; [03] INSPECTED AND VERIFIED CORRECTIVE ACTION ITEMS 1 AND 2. OKAY TO INSTALL REPAIR PLIES PER SRM 53-00-50-2R-1.; [04] INSTALLED REPAIR PLIES USING BMS8-201 TY4 LOT#AK1EP9088K; VACUUM BAGGED; CHECKED FOR LEAKS USING VACUUM GAUGE ID:ATS2586 S/N:5432766772. LEAK CHECK GOOD IAW SRM 53-00-50-2R-1.PARA 3.K-M.(1).; [05] INSPECTED AND VERIFIED CORRECTIVE ACTION ITEM 4 PER SRM 53-00-50-2R-1. OKAY TO CURE REPAIR.; [06] SET TO CURE USING HEATCON ID:ATS532 SN/:15092117 IAW SRM 53-00-50-2R-1.PARA 3.L.(1)-M.(1).[09] UNBAGGED REPAIR; TRIMMED EDGES & CLEANED IAW SRM 53-00-50-2R-1 PARA 3.M. INSTALLED AND CURED (8EA) INSERTS REMOVED TO ACCOMPLISH REPAIR IAW SRM 53-00-50-2R-1 PARA 3.N AND SRM 53-00-50-2R-0 PARA 5.S.; [10] ADDING CORRECTIVE ACTION FOR ITEM 9; (CURED USING THERMOMETER ID: PER1919 S/N: 180657982).[12] REPAIR TO FLOOR PANEL 222AF WAS COMPLETED IAW SRM 53-00-50-2R-1. REPAIR COMPLETE.

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