Service difficulty report · Floor Panel · Boeing 73776N

Difficulty date
July 18, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Floor Panel
Condition
Damaged
Location
Not Reported
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

PANEL 194BL HAS A DAMAGED FASTENER HOLE (MARKED) ; / [01] IDENTIFIED PANEL 194BL MATERIAL IAW SRM 53-60-70-0I-1 TABLE 2 FIGURE 2 ITEM 10. DAMAGE AT DISCREPANT LOCATION EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 53-60-70-1A-1 PARAGRAPH 4.C(6). DAMAGE WILL BE REPAIRED IAW SRM 51-70-05-2R-10 AS DIRECTED PER SRM 53-60-70-2R-1. <BR><BR>REMOVED DAMAGED PLIES AND TAPER SANDED ON TOOL SIDE AND BAG SIDE. NO CONTAMINANTS NOTED IAW SRM 51-70-05-2R-10 PARAGRAPH 4.A-C; [02] VALIDATED REPAIR PER SRM 51-70-05-2R-10; [03] VALIDATED OUT OF LIMITS; DAMAGE REMOVAL; SRM 51-70-05-2R-10 IS VALID; [04] FABRICATED REPAIR PLIES FROM BMS8-79ST120 LOT#1457859-1; BMS5-129GR05 LOT#1457270-4 AND BMS8-79ST1581 LOT#1462650-1; INSTALLED PLIES; VACUUM BAGGED PLIES; VERIFIED 5X5 AND SET PLIES TO CURE USING HOTBONDER ID: ATS532 S/N: 5092117 IAW SRM 51-70-05-2R-10 PARA 4.D-F.; [05] CORRECTED 'USING HOTBONDER ID: ATS532 S/N: 15092117'; [06] CURED PLIES; REMOVED VACUUM BAGGING MATERIAL AND LIGHTLY SANDED IAW SRM 51-70-05-2R-10 PARA 4. F.-H.; [07] CERTIFIED WORK ACCOMPLISHED IN LINE ITEM 6.; [08] VERIFIED CORRECTIVE ACTIONS 4-7 PER SRM 51-70-05-2R-10; [09] UT INSPECTED POST CURE IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED. EQUIP ID#: ATS2341 S/N: 190848104;

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