Service difficulty report · Floor Panel · Boeing 737*

Difficulty date
February 5, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Floor Panel
Part number
242UF
Condition
Pulled
Location
Cabin Floor
Stage of operation
UK
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

AFT PASSENGER CABIN FLOOR PANEL 242UF UPPER SKIN HAS AREAS OF PULLED STRANDS. / [01] IDENTIFIED FLOOR PANEL 242UF IAW SRM 53-00-50-0I-1 FIG6. TABLE6. FOUND DAMAGE TO BE BEYOND ALLOWABLE LIMITS IAW SRM53-00-50-1A-1 PARA4.F. DAMAGE WILL BE REPAIRED IAW SRM 53-00-50-2R-1. FABRICATED REPAIR PLIES OUT OF BMS 9-3 TYPE H-2 LOT#1475360-2; IAW SRM 53-00-50-2R-1 PARA3. K.1.(A) OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 4. OKAY TO INSTALL PLIES;[06] INSTALLED REPAIR PLIES WITH BMS 8-201 TY4 LOT# 1464982-6; VACUUM BAGGED; LEAK CHECKED GOOD USING GAUGE ATS2241; S/N UNKOWN AND SCALE ATS2275 S/N P1662216 IAW SRM 53-00-50-2R-1 PARA 3.K.1-L.1;[07] VERIFIED CORRECTIVE ACTION 6;[08] REPAIR PLIES CURED IAW SRM 53-00-50-2R-1 PARA 3 STEP M (1) (B) . REF CAL TOOL THERMOMETER ID ATS1777 SN 34910028WS . CAL TOOL VACUUM GAUGE ID ATS2845 SN 542505520 .;[09] VERIFIED CORRECTIVE ACTION #8;[10] INSTALLED ALL PREVIOUSLY REMOVED INSERTS USING BMS 5-28TY19 LOT#AK1KP5960K AND BMS 5-107 LOT#AK0DP4051K IAW SRM 53-00-50-2R-1 PARA 3N AND BOEING DWG 147A5810-95.<BR>INSERTS NEED CURE;[11] CURED ALL INSERTS THAT WERE PREVIOUSLY INSTALLED ON STEP 10 USING THERMOMETER ID: ID ATS1777 SN 34910028WS IAW SRM 53-00-50-2R-1 PARAGRAPH 3.N.;[12] ADDING REFERENCE TO ITEM 10: 'BOEING DWG 147A5810 ID:0095';[13] VERIFIED CORRECTIVE ACTIONS 10-12;[14] AFT CABIN PASSENGER FLOOR PANEL 242UF UPPER SKIN WITH AREAS OF PULLED STRANDS WERE REPAIRED IAW SRM 53-00-50-2R-1