Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
February 6, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N8524Z
Make and model
Boeing 7378H4
Aircraft serial
36970
Aircraft time
20,203 hours, 9,817 cycles
Part
Floor Panel
Condition
Peeling
Location
Zn 100 Fus Lower
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

CABIN FLOOR PANEL 221AF SURFACE IS PEELING.<[01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 FIG 2 TABLE 2.<BR><BR>FOUND 2 AREAS OF UPPER SURFACE SKIN DAMAGE; BOTH AREAS ARE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARA 4B.<BR><BR>REPAIRS TO BE ACCOMPLISHED PER SRM 53-00-50-2R-1.<BR><BR>REMOVED 3EA THROUGH INSERTS TO FACILITATE REPAIRS IAW SRM 53-00-50-2R-1 PARA 3B.<BR><BR>REMOVED ALL DAMAGE NOTED AND CLEANED AREAS; OK TO POT EXPOSED CORE IAW SRM 53-00-50-2R-1 PARA 3A-E.;;[07] INSTALLED REPAIR PLIES USING BMS8-201 TYPE 3 LOT#AK2EP8210K; VACUUM BAGGED; LEAK CHECKED GOOD USING VACUUM GAUGE ID:ATS2441 DUE:08/2023 IAW SRM 53-00-50-2R-1 PAR.3 K(1)(B-C)- L(1);[08] VERIFIED CORRECTIVE ACTION 7;[09] CURED REPAIR PLIES UNDER HEAT LAMP USING THERMOMETER ID: ATS2208 DUE:10/2023 IAW SRM 53-00-50-2R-1 PAR.3 M(1);[10] VERIFIED CORRECTIVE ACTION 9;[11] UNBAGGED AND TRIMMED REPAIR PLIES THEN INSTALLED 3EA THROUGH INSERTS USING BMS5-107 LOT#AK2KP8383K AND CURED INSERTS USING HEAT LAMP AND THERMOMETER IAW SRM 53-00-50-2R-1 PARA 3N AND BOEING DWG 141A5810-728. <BR><BR>CURES ACCOMPLISHED USING THERMOMETER ATS2208 CAL DUE DATE 10/2023.;[12] FINAL INSPECTION. JOB COMPLETE.

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