Service difficulty report · Panel · Boeing 737

Difficulty date
February 23, 2022
Submitted
March 28, 2022
Operation
Air carrier
Aircraft
N238WN
Make and model
Boeing 737
Aircraft serial
34713
Aircraft time
53,117 hours, 31,534 cycles
Part
Panel
Condition
Delaminated
Location
R/H Wing
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

RT WING L/E PANEL 621HB HAS DELAMINATED AREAS ALONG L/E / FOUND DAMAGE TO GLASS FIBER PLIES TO BE OUT OF ALLOWABLE LIMITS IAW SRM 57-41-01-1A-1 PARA 4. A. (5) (A)-(B) REMOVED DAMAGED PLIES IN (1 EA) LOCATION. TAPER SANDED AND CLEANED REPAIR WITH NO CONTAMINATION NOTED; ALL IAW SRM 51-70-05-2R-6 PARA 4. A. - D.;[04] CERTIFIED CORRECTIVE ACTION 3 AND VALIDATED REPAIR PER SRM 51-70-05-2R-6;[05] VERIFIED CORRECTIVE ACTIONS 1-4<BR><BR>VALIDATED REPAIR PER SRM 51-70-05-2R-6;[06] FABRICATED AND INSTALLED REPAIR PLIES USING REPAIR FABRICS BMS 8-79 ST 158L LOT#1476044-1; BMS 8-79 ST 120 LOT#1482277-1 AND ADHESIVE FILM BMS 5-129 GR 05 LOT#1483751-1. ALL IAW SRM 51-70-05-2R-6 PARA 4. E.;[07] INSTALLED VACUUM BAG SYSTEM; LEAK CHECK GOOD USING VACUUM GAUGE ID: ATS2107; S/N: UNKNOWN. AND SET TO CURE. ALL IAW SRM 51-70-05-2R-6 PARA 4. F. - G. <BR><BR>USED HEATCON HOTBONDER ID: NCX000523; S/N: 11051262.;[08] CURED REPAIR PLIES; REMOVED VACUUM BAG; VISUALLY INSPECTED; SANDED REPAIR AND TRIMMED EDGES ALL IAW SRM 51-70-05-2R-6 PARA 4. G. - H. AND GENERAL SRM 51-70-05-2R-0 PARA 4. O (1).;[09] VERIFIED CORRECTIVE ACTIONS 6-8; FABRICATED AND INSTALLED ALUMINUM FOIL ON INNER SURFACE USING FOIL BMS 8-289 TYPE 0/250 LOT: 1474984-1 AND ADHESIVE BMS 5-128 LOT: JH1EAS6979 IAW SRM 51-70-14-2R-3 PARA 4. A. (3) SET FOIL TO CURE AND CURED FOIL USING HOTBONDER ID: NCX000526 S/N: 12051216; UNBAGGED;TRIMMED EDGES AND REFINISHED EXTERIOR OF PANEL; WORK PERFORMED IAW SRM 51-70-14-2R-3 PARAGRAPH 4.(11).(K-N).