Service difficulty report · Support Angle · Boeing 7377Q8

Difficulty date
December 18, 2021
Submitted
April 26, 2022
Operation
Air carrier
Aircraft
N7865A
Make and model
Boeing 7377Q8
Aircraft serial
30647
Aircraft time
54,104 hours, 35,814 cycles
Part
Support Angle
Condition
Corroded
Location
Aft Cargo Bay
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; AFT CARGO SIDEWALL LWR SUPPORT CLIP; BS 906 RBL 24 ; / [01] REMOVED CORROSION ON AFT CARGO SIDEWALL LOWER SUPPORT CLIP; BS 906; RBL 24; WORK AREA; W 1.0' X L 1.0'; D 0.002'; ORIGINAL THICKNESS 0.063'; REMAINING MATERIAL 0.061; FOUND TO BE IN LIMITS IAW SRM 53-00-07-1A-1 ; USE TOOLS MICROMETER ID: ATS599; S/N:87172278 ; ID: ATS401; S/N UNKNOWN; OK TO APPLY CHEMICAL CONVERSION; [02] THERE IS NOT SRM ALLOWABLE DAMAGE FOR AFT CARGO SIDEWALL LOWER SUPPORT CLIP; BS 906; RBL 24 ; PART TO BE REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0; [03] VERIFIED NO SRM ALLOWABLE DAMAGE AND PART TO BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02; [04] REMOVED AFT CARGO SIDEWALL LOWER SUPPORT CLIP; BS 906; RBL 24 IAW SRM 51-40-02-0G-0; [05] RECEIVED NEW SIDEWALL LOWER SUPPORT CLIP FROM OUT HEAT TREATMENT CUSTOMER CARD 849844-SWA; [06] LOCATED AN DRILLED NEW SIDEWALL LOWER SUPPORT CLIP IAW SRM 51-40-05-0G-0 AND DWG 147A9409; ID: 15; REV:-; APPLIED CHEMICAL CONVERSION IAW AMM 51-21-41-370-802; OK TO APPLY PRIMER; [07] CORRECTIVE ACTIONS. OK TO APPLY PRIMER.; [08] APPLIED PRIMER ON NEW SIDEWALL LOWER SUPPORT CLIP IAW AMM 51-21-72-370-804; [10] OK TO INSTALL NEW LOWER SUPPORT CLIP.; [11] VERIFIED OK TO INSTALL NEW LOWER SUPPORT CLIP.; [12] INSTALLED NEW CLIP IAW SRM 51-40-02-0G-0 AND DWG 147A9409 REV :-; [13] VERIFIED INSTALLED NEW CLIP IAW SRM 51-40-02-0G-0 AND DWG 147A9409 REV :-; [14] TASK COMPLETE.; [15] VERIFIED TASK COMPLETE.

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