Service difficulty report · Panel · Boeing 73776N

Difficulty date
January 22, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
62,518 hours, 31,343 cycles
Part
Panel
Condition
Pulled
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

R/W T/E PANEL 661BB HAS SEVERAL PULLED FASTENER HOLES (MARKED)<[01] IDENTIFIED PANEL 661BB IAW SRM 57-51-01-0I-1 FIGURE 3 TABLE 3 ITEM 9.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 57-51-01-1A-1 PARA 4.B(5).<BR>DAMAGE TO BE REPAIRED IAW SRM 51-70-04-2R-9 PER SRM 57-51-01-2R-1 PARA 2.B(2).<BR><BR>UPSIZED ALL DAMAGED FASTNER HOLES TO APPROXIMATELY .40 INCHES DIAMETER AND CLEANED REPAIR AREA IAW SRM 51-70-04-2R-9 PARA 4.A-C.;[02] VALIDATED APPLICABILITY OF SRM 51-70-04-2R-9.;[03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[04] APPLIED BMS 8-301 CL1 LOT#JH2EAA8895 SLURRY MIX INTO FASTENER HOLE; CURED USING HEAT LAMP AND THERMOMETER ID:ATS2209 DUE:10/23; LIGHTLY SANDED REPAIR AREA; AND CLEANED IAW SRM 51-70-04-2R-9 PARA 4.A-I.;[05] FABRICATED REPAIR PLIES USING BMS 9-3 ST1581 LOT#1513216-1 AND BMS 8-301 CL1 LOT#HJ2EAA8895. INSTALLED REPAIR PLIES ON REPAIR AREAS AND VACUUM BAGGED; LEAK CHECK GOOD USING VACUUM GAUGE ID:ATS2798 DUE:10/23 IAW SRM 51-70-04-2R-9 PARA 4.J-L.<BR>NEEDS CURE.;

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