SDR CALA2014012200104

Service difficulty report · Intercostal · Boeing 75733N

Difficulty date: January 22, 2014
Submitted: January 24, 2014
Operation: Air carrier
Aircraft: N78866
Make and model: Boeing 75733N
Aircraft serial: 32591
Aircraft time: 39,686 hours, 12,006 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 146N5246U7
Condition: Corroded
Location: Fuselage
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

B757-53-3-0576 PASSENGER CABIN L4 THRESHOLD HAS CORROSION BS 1646 & LBL 57 JUST INBD OF DRAINAGE INTERCOSTAL. R & R CORRODED INTERCOSTAL ANGLE AT PASSENGER CABIN L4 THRESHOLD BS 1646 LBL 57. JUST AFT INBD OF DRAINAGE IAW B757- 300 SRM 51-40-02, 51-10-02, 53-00-51.

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