Service difficulty report · Panel · Boeing 737*

Difficulty date
February 7, 2022
Submitted
March 8, 2022
Operation
Air carrier
Aircraft
N7873A
Make and model
Boeing 737*
Aircraft serial
29350
Aircraft time
48,860 hours, 26,568 cycles
Part
Panel
Part number
561BB
Condition
Pulled
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

PANEL 561BB HAS SEVERAL PULLED FASTENER HOLES (MARKED) / FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 57-51-01-1A-1; PARA. 4.B.(5). <BR><BR>DAMAGE WILL BE REPAIRED ACCORDING TO SRM 51-70-04-2R-9; AS REQUIRED BY SRM 57-51-01-2R-1; PARA. 4.B.(2); TABLE 202. <BR><BR>REMOVED FINISHES COMMON TO AFT EDGEBAND; COUNTERSUNK DAMAGED FASTENER HOLES TO REMOVE DAMAGE; TAP TESTED AREA - NO DISBONDS NOTED; CLEANED AND PREPARED REPAIR AREA ACCORDING TO SRM SRM 51-70-04-2R-9; PARA'S 4.A THRU 4.C.;[02] CHANGED DAMAGE DIMENSIONS.;[03] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 51-70-04-2R-9. APPLIED EC3501 LOT#1183B1111W TO INNER SURFACE; CURED AT ROOM TEMPERATURE; SANDED SMOOTH; LOCATED DRILLED AND COUNTER SUNK FASTENER HOLES AND CLEANED IAW SRM 51-70-04-2R-9 PAR N. - P.<BR><BR>APPLIED BMS 10-21 TYIII LOT#S21H278 CONDUCTIVE COATING TO TOOL SIDE SURFACE IAW AMM 51-21-71-370-801 PAR 3D(1-3).;[11] CORRECTION FOR LINE ITEM 10: SRM 51-70-04-2R-9 PAR N. - P. SHOULD READ SRM 51-70-04-2R-9 PAR 4. N. - P.;[12] REFINISHED INNER SURFACE OF THE REPAIR AREA AND OUTER SURFACE OF THE PANEL IAW SRM 51-70-04-2R-9 PARA 4.P.;[13] FINAL INSPECTION. JOB COMPLETE PER SRM 51-70-04-2R-9.