Service difficulty report · Angle · Boeing 7377H4

Difficulty date
September 23, 2023
Submitted
November 7, 2023
Operation
Air carrier
Aircraft
N234WN
Make and model
Boeing 7377H4
Aircraft serial
32502
Aircraft time
57,759 hours, 34,737 cycles
Part
Angle
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 BETWEEN STA 291.5 TO STA 344; LBL 64 AND WL 208.1<[01] REMOVED UPPER CORD ANGLE BETWEEN STA291.5 TO STA 344;LBL64 WL 208.1;LOCATED AND DRILLED REF:SRM 51-40-02-OG-0;[02] REMOVED UPPER CHORD ANGLE BETWEEN STA 291.5 TO STA 344; LBL 64 AND WL 208.1 AS PER SRM-51-40-02-0G-0. LOCATED AND DRILLED NEW ANGLE PART #141A8112U20 AT STA 291.5 TO STA 344; LBL 64 AND WL 208.1 REF SRM 51-40-02-0G-0. INSTALLED NEW ANGLE AT STA 291.5 TO STA 344; LBL 64 AND WL 208.1 REF: SRM 51-40-02-0G-0 DWG#142A8410. MIX PRC BMS 5-95 ON SEPT 29-2023 18:00; SQUEEZE OUT TIME SEPT 29-2023 20:00.;[03] VERIFIED STEP:2 INSTALLED NEW ANGLE AT STA 291.5 TO STA 344; LBL 64 AND WL 208.1

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