SDR XN0A1349

Service difficulty report · Flap System · Boeing 727227

Difficulty date: August 18, 2006
Submitted: August 21, 2006
Operation: Air carrier
Aircraft: N793A
Make and model: Boeing 727227
Aircraft serial: 20774
Aircraft time: 52,314 hours, 49,149 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AT FLAPS 25 DEGREES TAKE-OFF, WHEN RETRACTING TO 15 DEGREES POSITION, IB FLAP INDICATED NORMAL. WHEN RETRACTING TO 5 DEGREES IB INDICATOR STAYED AT 15 DEGREES, OB WENT TO 5 DEGREES. REMOVED AND REPLACED IB FLAP INDICATOR IAW MM CHAPTER 27-52-21 AND REMOVED AND REPLACED IB FLAP BYPASS VALVE IAW MM CHAPTER 27-51-77 OPS CKS NORMAL ON GROUND IAW MM CHAPTER 27-51-0. NO DEFECTS NOTED. (STATUS:ORIG/CLOSED)