Service difficulty report · Panel · Boeing 737*

Difficulty date
February 18, 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
661AB
Condition
Delaminated
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 661AB HAS DISBOND SKIN ON OUTER SURFACE / [01] IDENTIFIED PANEL MATERIAL IAW SRM 57-51-01-0I-1 FIG. 3; TABLE 3; ITEM 5. <BR><BR>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-6; AS REQUIRED BY SRM 57-51-01-2R-1; PARA. 4.B.(2); TABLE 202. <BR><BR>ACCOMPLISHED DAMAGE REMOVAL; TAP TESTED AREA - NO ADDITIONAL DELAMINATION NOTED; CLEANED AND PREPARED REPAIR AREA ACCORDING TO SRM SRM 51-70-04-2R-6; PARA'S 4.A THRU 4.D.: CURED REPAIR; UNBAGGED; TRIMMED; LIGHTLY SANDED; AND CLEANED PER SRM 51-70-04 2R-6 PAR.4G.<BR><BR>REQUEST NDI INSPECTION.;[09] VERIFIED CORRECTIVE ACTIONS 6-8;[10] UT INSPECTED POST CURE IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED. <BR>EQUIP USED: EPOCH 650 ID: ATS2031;[11] UT INSPECTED POST CURE IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED. <BR>EQUIP USED: EPOCH 650 ID: ATS2031;[12] APPLIED EC3501 LOT#1183B1111W TO INNER SURFACE; CURED AT ROOM TEMPERATURE; SANDED SMOOTH AND CLEANED IAW SRM 51-70-04-2R-6 PAR 4. I.<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).;[13] REFINISHED PANEL'S REPAIR AREA IAW SRM 51-70-04-2R-6 PARA 4.I