Service difficulty report · Floor Panel · Boeing 7377Q8

Difficulty date
August 30, 2021
Submitted
October 5, 2021
Operation
Air carrier
Aircraft
N7859B
Make and model
Boeing 7377Q8
Aircraft serial
30641
Aircraft time
55,430 hours, 36,644 cycles
Part
Floor Panel
Part number
231BF
Condition
Delaminated
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

DELAMINATED FLOOR PANEL 231BF AT FWD GALLEY AREA ; 2021-393056 / [01] EVALUATED DAMAGE AND FOUND WITHIN LIMITS TO REPAIR AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1 PARAGRAPH 1.A; DAMAGE SIZE #1) L=0.65 IN; W=0.43 IN; TOOL USED: CALIPER P/N:700-113-10; S/N:0023244; DUE DATE: 28-SEP-21; [02] STEP 1 COMPLETED.; [03] REMOVED DAMAGED SKIN AND INSERTS ON REPAIR AREAS AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1 PARAGRAPH 3.B TO D; [04] STEP 3 COMPLETED CURED REPAIR PLIES; DRILLED AND INSTALLED INSERTS ON REPAIR AREAS AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1 PARAGRAPH 3. M (1) AND N. TOOL USED: HOT BONDER P/N: HCS9000B-AV; S/N: 18185781; DUE DATE: 11-DEC-21.; [18] STEP 17 ENTERED AS IN ERROR; CORRECT STEP IS: CURED REPAIR PLIES; DRILLED AND INSTALLED INSERTS ON REPAIR AREAS AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1 PARAGRAPH 3. M (1) AND N. TOOL USED: HOT BONDER P/N: HCS9200B-AV; S/N: 18185781; DUE DATE: 11-DEC-21.; [19] STEP 18 COMPLETED; [20] CURED INSERTS AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1 PARA. 3. N. AND SRM 53-00-50-2R-0 REPAIR GENERAL PARA. 5. S.; [21] STEP 20 ENTERED AS IN ERROR; CORRECT STEP IS: CURED INSERTS AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1 PARA. 3. N. AND SRM 53-00-50-2R-0 REPAIR GENERAL PARA. 5. S; TOOL USED: HOT BONDER: P/N: HCS9000B-AV; S/N: 18164925; DUE DATE: 19/NOV/21 REPAIRED FLOOR PANEL 231BF AT FWD GALLEY AREA AS PER B737-700 SRM 53-00-50-2R-1 REPAIR 1. RII INSPECTION

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