# SDR SWAA2022030870145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2022
- Submitted: March 8, 2022
- Operation: Air carrier
- Aircraft: [N7873A](https://openairdocs.org/aircraft/N7873A), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29350
- Aircraft time: 48,860 hours, 26,568 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Panel
- Part number: 661BB
- Condition: Pulled
- Stage of operation: UK
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022030870145

## Discrepancy

PANEL 661BB HAS SEVERAL PULLED FASTENER HOLES / 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 202SANDED RESIN/FIBER MIX FLUSH; CLEANED REPAIR AREA; APPLIED REPAIR PLIES FABRICATED FROM BMS 9-3; ST1581 FIBERGLASS (LOT# 1475360-2) AND BMS 8-301; CL1 RESIN (LOT# JH1KAA1767); VACUUM BAGGED REPAIR AREA FOR HEAT BLANKET CURE; AND ACCOMPLISHED SUCCESSFUL VACUUM BLEED DOWN TEST; ALL ACCORDING TO SRM 51-70-04-2R-9; PARA'S 4.G THRU 4.L. AREA IS SET TO CURE. <BR><BR>HOT BOND CONSOLE: ID NCX000526; S/N 12051216 <BR>SCALE FOR RESIN MIX: ID ATS2275; S/N P1662216;[07] CURED REPAIR; UNBAGGED; TRIMMED; LIGHTLY SANDED; AND CLEANED PER SRM 51-70-04 2R-9 PAR.4M.<BR><BR>REQUEST NDI INSPECTION.;[08] VERIFIED CORRECTIVE ACTIONS 5-7;[09] UT INSPECTED POST CURE IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED. <BR>EQUIP USED: EPOCH 650 ID: ATS2031;[10] 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. -APPLIED BMS 10-21 TYIII LOT#S21H278 CONDUCTIVE COATING TO TOOL SIDE SURFACE IAW AMM 51-21-71-370-801 PAR 3D(1-3). REFINISHED INNER SURFACE OF THE REPAIR AREA AND OUTER SURFACE OF THE PANEL IAW SRM 51-70-04-2R-9 PARA 4.P.

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