Service difficulty report · Angle · Boeing 7378H4

Difficulty date
September 20, 2024
Submitted
October 15, 2024
Operation
Air carrier
Aircraft
N8643A
Make and model
Boeing 7378H4
Aircraft serial
42524
Aircraft time
33,438 hours, 16,091 cycles
Part
Angle
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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

L/H A/C BAY; STA. 663 ANGLE TO VAPOR BARRIER CRACKED AT FASTENER HOLE LBL-9<[01] REMOVED L/H A/C BAY; STA. 663 DAMAGED ANGLE IAW SRM 51-40-02.;[02] LOCATED AND DRILLED L/H A/C BAY; STA. 663 NEW ANGLE IAW SRM 51-40-02. OK TO INSTALL NEW ANGLE.;[03] VERIFIED LOCATED AND DRILLED HOLES IN REPAIR PARTS. OK TO INSTALL REPAIR PARTS.;[04] INSTALLED AND DOMED SEALED FASTENERS COMMON TO FUEL TANK ON UPPER CHORD PER SRM 51-40-02 AND AMM 51-31-00;[05] VERIFIED THE INSTALLATION AND DOME SEAL OF REPAIR FASTENERS COMMON TO FUEL TANK AT STA 663 PER SRM 51-40-02 AND AMM 51-31-00. (RII);[06] EXISTING FASTENER HOLES ON REPAIR AREA OF WING CENTER SECTION REAR SPAR VAPOR BARRIER REQUIRE NDT PER SRM 57-10-10-2R PARAGRAPH 4 C.;[07] REJECT CORRECTIVE ACTION ITEM #4 FOR INCORRECT REFERENCE. SEE FAULT TTG8Q00W8U5R FOR NEW WRITE-UP.;[08] ADDED JOB STOP REASON.;[09] RII INSPECTION C/W FOR CA #4. <BR>PROPER REFERENCE IS SRM 51-40-02 DUE TO ENTIRE PART BEING REPLACED INSTEAD OF CUT AND SPLICED.;[10] INSTALLED L/H A/C BAY; STA. 663 NEW ANGLE IAW SRM 51-40-02.;[11] RII INSPECTION C/W FOR CA #10;[12] PARTS UPDATE ONLY;[13] PARTS UPDATE ONLY;[14] TSR UPDATE

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