Service difficulty report · Channel · Boeing 73779P

Difficulty date
March 21, 2023
Submitted
May 1, 2023
Operation
Air carrier
Aircraft
N7858A
Make and model
Boeing 73779P
Aircraft serial
29361
Aircraft time
53,310 hours, 34,766 cycles
Part
Channel
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 SPOTS ON AFT CARGO COMPARTMENT ZEE CNANNEL B.S. 727 727B LBL 22' W.L. 156. (51-006) CORROSION SPOTS ON AFT CARGO COMPARTMENT EE CNANNEL B.S. 727 - B.S 727B LBL 21' W.L. 152.7. (51-006)<[01] REMOVED CORROSION ON AFT CARGO COMPT BETWEEN STA 727 TO STA 727B LBL 21; ON ZEE CHANNEL REF SRM 51-10-02-0G-0; EVALUATED AND FOUND TO BE OUT OF LIMITS REF SRM 53-00-53-1A-2. REF TASK 'TTG8Q00JZHM2' FOR NEW ZEE CHANNEL INSTALLATION;[02] VERIFIED STEP 1.

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