Service difficulty report · Beam · Boeing 7378H4

Difficulty date
May 31, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N8632A
Make and model
Boeing 7378H4
Aircraft serial
60082
Aircraft time
27,537 hours, 12,517 cycles
Part
Beam
Part number
147A550429
Condition
Corroded
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

CORROSION ON BS 947 BEAM UPPER CHORD LBL 26 WL 208 / [01] VERIFIED APPLICABILITY PER SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PAR.4.H.(2)(B) FIGURE 104/ALLOWABLE DAMAGE 1 DETAIL C;[02] EVALUATED CORROSION ON BS947 LBL26-LBL56 WL208 2'X1' ORIGINAL MATERIAL THICKNESS IS .150' REMAINING MATERIAL THICKNESS IS .100' DAMAGE FOUND TO BE OUT LIMITS I.A.W SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PAR.4.H.(2)(B) FIGURE 104/ALLOWABLE DAMAGE 1 DETAIL C.DAMAGED TO BE REPAIRED PER SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2 FIG 206;[03] CORROSION ON BS 947 BEAM UPPER CHORD LBL 26 WL 208 [TTG8Q00CRXFM];THIS CARD IS GOING TO BE DOCUMENTED BY CARD TTG8Q00CRYNR DAMAGED TO BE REPAIRED PER SRM 53-70-51-2R-5 REPAIR 5 ALTERNATIVE 2 FIG 206.;[04] VERIFIED CORRECTIVE ACTIONS STEP 1;2;3.;[05] VERIFIED ALL STEPS;[06] VERIFIED STEPS COMPLETE.;[07] VERIFIED MEASUREMENT TABLE.

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