SDR UIEA2023030900228

Service difficulty report · None · Boeing 74747UF

Difficulty date: March 8, 2023
Submitted: March 10, 2023
Operation: Air carrier
Aircraft: N476MC
Make and model: Boeing 74747UF
Aircraft serial: 29256
Aircraft time: 93,201 hours, 17,179 cycles
System (JASC): 5341 · Fuselage, Wing Attach Fittings
Part: None
Condition: None
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION - FOUND CORROSION ON SKIN INNER SURFACE TOTAL 26EA WHEN PERFORM SB 747-53A2898(<P>1. REMOVED THE AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV96 2. PERFORMED EI NO T2023A53-135 REV0 3. PERFORMED EI NO T2023A53M-135 REV 1 4. PERFORMED EI NO. T2023A53M-135 REV2 5. PERFORMED EI NO T2023A53M-135 REV3 6. PERFORMED EI NO T2023A53M-135 REV4 7. ACCOMPLISHED EI NO. T2023A53M-135 REV5 8. JOB COMPLETED AND COND CHK NML</P>)

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