SDR UALA2013022501105

Service difficulty report · Pressure Deck · Boeing 757222

Difficulty date: February 24, 2013
Submitted: February 27, 2013
Operation: Air carrier
Aircraft: N522UA
Make and model: Boeing 757222
Aircraft serial: 24931
Aircraft time: 72,166 hours, 27,004 cycles
Engine: Pwa PW2037
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Pressure Deck
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

CORROSION RBL 48, BS 1681 TO BS 1710 PRESSURE DECK. MAJOR REPAIR ACCOMPLISHED. REMOVED CORROSION AT RBL 48, BS 1681 TO BS 1710 PRESSURE DECK IAW B757-200 SRM 51-10-02 PAR 15, FIG 1. ORIGINAL MATERIAL THICKNESS IS.071, MATERIAL REMOVED AT DEEPEST LOCATION IS .023, MATERIAL REMAINING IS .048 AND IS OUT OF LIMITS IAW B757-200 SRM 53-60-51, PAR 4, FIG 101. REPAIRED BLENDED AREA IAW ECRA 5330-04259.