Service difficulty report · Panel · Boeing 7377H4

Difficulty date
June 16, 2023
Submitted
July 17, 2023
Operation
Air carrier
Aircraft
N417WN
Make and model
Boeing 7377H4
Aircraft serial
29822
Aircraft time
71,145 hours, 42,399 cycles
Part
Panel
Part number
UNKNOWN
Condition
Pulled
Location
Zn 600 Right Win
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 L/E PANEL 621PB HAS PULLED FASTENER HOLE (MARKED)<[01] IDENTIFIED PART AND MATERIAL IAW SRM 57-41-01-0I-4 FIGURES 1+3; TABLE 3; ITEM [1].<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-41-01-1A-1 PAR 4.A (5).<BR>A PERMANENT REPAIR WILL BE ACCOMPLISHED IAW SRM 51-70-04-2R-6 AS DIRECTED PER SRM 57-41-01-2R-1 PAR 4.B (2) AND TABLE 202.;09] FABRICATED UPPER AND LOWER SURFACE REPAIR PLIES AND INSTALLED USING BMS 8-301 CL1 LOT#JH2EAA8895. VACUUM BAGGED; LEAK CHECK GOOD USING VACUUM GAUGE ID:ATS2441 DUE:08/23 AND CURED UNDER HEAT LAMP USING THERMOMETER ID:ATS2209 DUE:10/23. UNBAGGED REPAIR PLIES; TRIMMED EXCESS MATERIAL AND CLEANED IAW SRM 51-70-04-2R-9 PARA 4.J-M<BR><BR>REQUESTING POST CURE NDI IAW SRM 51-70-04-2R-9 PARA 4.O.;[10] ADDITION TO ITEM 9. <BR>FABRICATED UPPER AND LOWER SURFACE REPAIR PLIES USING BMS 9-3 ST1581 LOT#1526805-2;[11] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 7-10.<BR><BR>POST REPAIR UT INSPECTED PER 737NDT PART 4 51-00-02. NO DEFECTS FOUND. TOOL E650 ATS2342 DUE 07/2023.;[12] FABRICATED FOIL REPAIR PLY USING BMS 8-289 LOT#1511322-1 AND INSTALLED FOIL WITH BMS 5-128 LOT#JH3CA16476. VACUUM BAGGED; LEAK CHECK GOOD USING VACUUM GAUGE ID:ATS2798 DUE:06/24 AND SET TO CURE UNDER HEAT LAMP USING THERMOMETER ID:ATS2209 DUE:10/23; UNBAGGED FOIL; AND TRIMMED EXCESS MATERIAL IAW SRM 51-70-14-2R-3 PARA 4.A(3-5(A)11)).

More about the Boeing 737-7H4